[gnumeric] Code cleanup.

[Morten Welinder <mortenw src gnome org>]

commit b0ec8a9273cb6f6572c3a854dfdb9a5cf4af2395
Author: Morten Welinder <terra gnome org>
Date:   Sun Mar 25 14:25:00 2018 -0400

    Code cleanup.

 ChangeLog           |    5 +++++
 src/workbook-view.c |    4 ++--
 src/workbook.c      |    5 +++--
 src/workbook.h      |    2 +-
 4 files changed, 11 insertions(+), 5 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 069e8b2..79ae346 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-03-25  Morten Welinder  <terra gnome org>
+
+       * src/workbook.c (workbook_set_last_export_uri): Constify
+       argument.  Callers fixed.
+
 2018-03-23  Morten Welinder  <terra gnome org>
 
        * src/main-application.c (cpu_sanity_check): New function.
diff --git a/src/workbook-view.c b/src/workbook-view.c
index 01c289c..37838ab 100644
--- a/src/workbook-view.c
+++ b/src/workbook-view.c
@@ -1140,7 +1140,7 @@ wb_view_save_as (WorkbookView *wbv, GOFileSaver *fs, char const *uri,
                                go_doc_set_pristine (GO_DOC (wb), FALSE);
                        }
                } else
-                       workbook_set_last_export_uri (wb, g_strdup (uri));
+                       workbook_set_last_export_uri (wb, uri);
        }
        if (has_error || has_warning)
                go_io_error_display (io_context);
@@ -1296,7 +1296,7 @@ workbook_view_new_from_input (GsfInput *input,
                        go_doc_set_dirty (GO_DOC (new_wb), FALSE);
                        if (optional_uri && workbook_get_file_exporter (new_wb))
                                workbook_set_last_export_uri
-                                       (new_wb, g_strdup (optional_uri));
+                                       (new_wb, optional_uri);
                }
        } else
                go_cmd_context_error_import (GO_CMD_CONTEXT (io_context),
diff --git a/src/workbook.c b/src/workbook.c
index 75fc6d0..2de39b4 100644
--- a/src/workbook.c
+++ b/src/workbook.c
@@ -528,10 +528,11 @@ workbook_set_file_exporter (Workbook *wb, GOFileSaver *fs)
 }
 
 void
-workbook_set_last_export_uri (Workbook *wb, gchar *uri)
+workbook_set_last_export_uri (Workbook *wb, const gchar *uri)
 {
+       char *s = g_strdup (uri);
        g_free (wb->last_export_uri);
-       wb->last_export_uri = uri;
+       wb->last_export_uri = s;
        WORKBOOK_FOREACH_CONTROL (wb, wbv, wbc,
                                  wb_control_menu_state_update (wbc, MS_FILE_EXPORT_IMPORT););
 }
diff --git a/src/workbook.h b/src/workbook.h
index 985bf62..157e60f 100644
--- a/src/workbook.h
+++ b/src/workbook.h
@@ -55,7 +55,7 @@ GOFileSaver *workbook_get_file_saver  (Workbook *wb);
 GOFileSaver *workbook_get_file_exporter        (Workbook *wb);
 gchar const *workbook_get_last_export_uri (Workbook *wb);
 void         workbook_set_file_exporter          (Workbook *wb, GOFileSaver *fs);
-void         workbook_set_last_export_uri (Workbook *wb, gchar *uri);
+void         workbook_set_last_export_uri (Workbook *wb, const gchar *uri);
 
 /* See also sheet_foreach_cell_in_range */
 GnmValue   *workbook_foreach_cell_in_range (GnmEvalPos const  *pos,