Fix warning.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@1735 ea778897-0a13-0410-b9d1-a72fbfd435f5

ChangeLog

@@ -12,6 +12,8 @@
    Destroy plugin_fields->menu_item on unloading if set by a plugin.
    Use G_MODULE_BIND_LOCAL for plugins to prevent symbol shadowing by
    other modules, and to help detect unresolved symbols at loading time.
+ * plugins/htmlchars.c:
+   Fix warning.
 
 
 2007-07-23  Enrico Tröger  <enrico.troeger@uvena.de>

plugins/htmlchars.c

@@ -530,7 +530,8 @@ void init(PluginData *data)
 /* Destroy static widgets */
 void cleanup()
 {
-	gtk_widget_destroy(sc_dialog);
+	if (sc_dialog != NULL)
+		gtk_widget_destroy(sc_dialog);
 }