Fix some uninitialized variable warnings

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23124 57a11ea4-9604-0410-9ed3-97b8803252fd

src/gnome-utils/gnc-combott.c

@@ -571,7 +571,7 @@ static void
 menuitem_response_cb (GtkMenuItem *item, gpointer *user_data )
 {
     const gchar *label_text;
-    GtkTreeIter iter, iter_now;
+    GtkTreeIter iter, iter_now = {0, NULL, NULL, NULL};
     gboolean valid;
     gint active = 1;
     gint active_now = 1;

src/gnome-utils/gnc-tree-view-split-reg.c

@@ -3216,7 +3216,7 @@ static void
 gtv_sr_help (GncTreeViewSplitReg *view, GtkCellRenderer *cr, ViewCol viewcol, RowDepth depth)
 {
     GncTreeModelSplitReg *model;
-    gchar *help;
+    gchar *help = NULL;
     const gchar *current_string;
 
     ENTER("Help Viewcol is %d and depth is %d", viewcol, depth);