Fix minor compiler warning about shadowed variable.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@1959 ea778897-0a13-0410-b9d1-a72fbfd435f5

src/prefs.c

@@ -708,8 +708,6 @@ on_prefs_button_clicked(GtkDialog *dialog, gint response, gpointer user_data)
 			// override each document setting only if the default has changed
 			if (editor_prefs.use_tabs != use_tabs)
 			{
-				guint i;
-
 				editor_prefs.use_tabs = use_tabs;
 				for (i = 0; i < doc_array->len; i++)
 				{