compiler warning fix

diff --git a/lib/cookie.c b/lib/cookie.c
index 41a366d2da217ac068f7e198eefd85d302e87a49..913ffabebc48a56d42768c4881b357a63211cd60 100644 (file)
--- a/lib/cookie.c
+++ b/lib/cookie.c
@@ -84,6 +84,7 @@ Example set of cookies:
 
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h>
 
 #define _MPRINTF_REPLACE /* without this on windows OS we get undefined reference to snprintf */
 #include <curl/mprintf.h>