Allow digits in Gtk action names created in gnc_create_extension_info.

This should fix bug 447339 as long as all report names are unique 
considering only alphanumeric characters.


git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@18534 57a11ea4-9604-0410-9ed3-97b8803252fd

src/gnome-utils/gnc-menu-extensions.c

@@ -195,7 +195,7 @@ gnc_ext_gen_action_name (const gchar *name)
 
   // 'Mum & ble' => 'Mumble'
   for ( extChar = name; *extChar != '\0'; extChar++ ) {
-    if ( ! isalpha( *extChar ) )
+    if ( ! isalnum( *extChar ) )
       continue;
     g_string_append_c( actionName, *extChar );
   }