Include ctype.h to remove warning

diff --git a/lib/common/utils.c b/lib/common/utils.c
index d521233009e559a4579e6a935b41e7abdc853d55..50186738d6843f3a87907adfe95b47c7053cf90b 100644 (file)
--- a/lib/common/utils.c
+++ b/lib/common/utils.c
@@ -21,13 +21,13 @@
 #include "logic.h"
 #include "gvc.h"
 
-
 #ifdef WIN32
 #include "libltdl/lt_system.h"
 #endif
 #ifndef WIN32
 #include <unistd.h>
 #endif
+#include <ctype.h>
 
 /*
  *  a queue of nodes