Include <grass/glocale.h> for _(...) macro

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@31324 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/ogsf/gk.c

@@ -20,6 +20,7 @@
 #include <stdio.h>
 #include <math.h>
 
+#include <grass/glocale.h>
 #include <grass/gstypes.h>
 #include <grass/keyframe.h>
 #include <grass/kftypes.h>