[gnumeric] Compilation: fix GString API misunderstanding.

[Morten Welinder <mortenw src gnome org>]

commit c37b7a89e52bf8af7363dbe16bdfd1aa26720e8b
Author: Morten Welinder <terra gnome org>
Date:   Sat Feb 23 17:24:09 2013 -0500

    Compilation: fix GString API misunderstanding.

 plugins/excelplugins/excelplugins.c |    2 +-
 src/dialogs/dialog-formula-guru.c   |   22 +++++++++++-----------
 2 files changed, 12 insertions(+), 12 deletions(-)
---
diff --git a/plugins/excelplugins/excelplugins.c b/plugins/excelplugins/excelplugins.c
index 2c0b373..52ffdb0 100644
--- a/plugins/excelplugins/excelplugins.c
+++ b/plugins/excelplugins/excelplugins.c
@@ -711,7 +711,7 @@ actual_Excel4v (int xlfn, XLOPER* operRes, int count, XLOPER** opers)
                        case 'P':
                        case 'r':
                        case 'R':
-                               argument_specifications = g_string_append_c (argument_specifications,'?');
+                               g_string_append_c (argument_specifications,'?');
                                ++number_of_arguments;
                                break;
                        case '\r': /* Various junk we may as well ignore. */
diff --git a/src/dialogs/dialog-formula-guru.c b/src/dialogs/dialog-formula-guru.c
index 55bef59..ae3f4d7 100644
--- a/src/dialogs/dialog-formula-guru.c
+++ b/src/dialogs/dialog-formula-guru.c
@@ -154,8 +154,8 @@ dialog_formula_guru_update_this_parent (GtkTreeIter *parent, FormulaGuruState *s
        g_return_if_fail (!is_non_fun);
        g_return_if_fail (fd != NULL);
 
-       text = g_string_append (text, gnm_func_get_name (fd, sheet_get_conventions 
(state->pos->sheet)->localized_function_names));
-       text = g_string_append (text, "(");
+       g_string_append (text, gnm_func_get_name (fd, sheet_get_conventions 
(state->pos->sheet)->localized_function_names));
+       g_string_append (text, "(");
 
        if (gtk_tree_model_iter_children (GTK_TREE_MODEL(state->model), &iter, parent)) {
                do {
@@ -169,7 +169,7 @@ dialog_formula_guru_update_this_parent (GtkTreeIter *parent, FormulaGuruState *s
                        }
 
                        if (not_first) {
-                               text = g_string_append_c (text, go_locale_get_arg_sep ());
+                               g_string_append_c (text, go_locale_get_arg_sep ());
                        }
 
                        if (find_origin && origin != NULL) {
@@ -191,18 +191,18 @@ dialog_formula_guru_update_this_parent (GtkTreeIter *parent, FormulaGuruState *s
                                         sheet_get_conventions (state->pos->sheet),
                                         NULL);
                                if (texpr == NULL) {
-                                       text = g_string_append_c (text, '"');
-                                       text = g_string_append (text, argument);
-                                       text = g_string_append_c (text, '"');
+                                       g_string_append_c (text, '"');
+                                       g_string_append (text, argument);
+                                       g_string_append_c (text, '"');
                                } else {
                                        if ((GNM_EXPR_GET_OPER (texpr->expr) == GNM_EXPR_OP_NAME)
                                            && expr_name_is_placeholder (texpr->expr->name.name)
                                            && gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON 
(state->quote_button))) {
-                                               text = g_string_append_c (text, '"');
-                                               text = g_string_append (text, argument);
-                                               text = g_string_append_c (text, '"');
+                                               g_string_append_c (text, '"');
+                                               g_string_append (text, argument);
+                                               g_string_append_c (text, '"');
                                        } else
-                                               text = g_string_append (text, argument);
+                                               g_string_append (text, argument);
                                        gnm_expr_top_unref (texpr);
                                }
                        }
@@ -213,7 +213,7 @@ dialog_formula_guru_update_this_parent (GtkTreeIter *parent, FormulaGuruState *s
                } while (gtk_tree_model_iter_next (GTK_TREE_MODEL(state->model), &iter));
        }
 
-       text = g_string_append_c (text, ')');
+       g_string_append_c (text, ')');
 
        gtk_tree_store_set (state->model, parent,
                            FUN_ARG_ENTRY, text->str,