Silence compile warning, ctype.h is needed for tolower() function.

diff --git a/Zend/zend_operators.c b/Zend/zend_operators.c
index d9556e77f27d192608048e3131b5322617735be4..d4e1a5a5b05e6a8617666f5011e0d8b17d9d40d2 100644 (file)
--- a/Zend/zend_operators.c
+++ b/Zend/zend_operators.c
@@ -17,6 +17,8 @@
    +----------------------------------------------------------------------+
 */
 
+#include <ctype.h>
+
 #include "zend.h"
 #include "zend_operators.h"
 #include "zend_variables.h"