util.c needs ctype.h for tolower and isspace

svn:r2642

src/common/util.c

@@ -23,6 +23,9 @@
 #include <windows.h>
 #endif
 
+#ifdef HAVE_CTYPE_H
+#include <ctype.h>
+#endif
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>