Fix for -fno-common
https://bazaar.launchpad.net/~foxtrotgps-team/foxtrotgps/trunk/revision/323

Index: src/tracks.c
--- src/tracks.c.orig
+++ src/tracks.c
@@ -30,7 +30,7 @@
 
 GSList *loaded_track = NULL;
 GtkWidget *window12;
-GtkWidget *dialog10;
+static GtkWidget *dialog10;