(gtk) fix build breakage by including <locale.h> explicitly

diff --git a/gtk/main.c b/gtk/main.c
index 354b8bfe08cc1d5c2cea9450892f8a6e5269f7c6..8498aa695c06d28346de3114704ad92b677821b8 100644 (file)
--- a/gtk/main.c
+++ b/gtk/main.c
@@ -22,6 +22,7 @@
  * DEALINGS IN THE SOFTWARE.
  *****************************************************************************/
 
+#include <locale.h>
 #include <sys/param.h>
 #include <signal.h>
 #include <string.h>