[gnac] Code hardening

[BenoÃt Dupasquier <bdupasqu src gnome org>]

commit 6ad432ee438858bcc508d8f7d057eca494da0d99
Author: BenoÃt Dupasquier <bdupasqu src gnome org>
Date:   Thu Jan 26 19:21:19 2012 +0000

    Code hardening

 src/profiles/gnac-profiles-utils.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/profiles/gnac-profiles-utils.c b/src/profiles/gnac-profiles-utils.c
index ee816e9..bf26865 100755
--- a/src/profiles/gnac-profiles-utils.c
+++ b/src/profiles/gnac-profiles-utils.c
@@ -329,7 +329,9 @@ gnac_profiles_utils_get_value_combo(GtkWidget *combo)
 {
   gint index = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
   ComboValues *values = g_object_get_data(G_OBJECT(combo), "combo-values");
-  return g_strconcat(g_list_nth_data(values->values, index), NULL);
+  if (!values) return NULL;
+
+  return g_strdup(g_list_nth_data(values->values, index));
 }
 
 
@@ -489,7 +491,7 @@ gnac_profiles_utils_add_pipes(gchar *pipeline,
     gchar *temp;
 
     if (gnac_utils_string_is_null_or_empty(pipeline)) {
-      temp = g_strconcat(v->value, NULL);
+      temp = g_strdup(v->value);
     } else {
       temp = g_strconcat(pipeline, " ! ", v->value, NULL);
     }