include limits.h if available

Zend/zend.h

@@ -140,6 +140,10 @@ typedef unsigned int zend_uint;
 typedef unsigned long zend_ulong;
 typedef unsigned short zend_ushort;
 
+#ifdef HAVE_LIMITS_H
+# include <limits.h>
+#endif
+
 #ifndef LONG_MAX
 #define LONG_MAX 2147483647L
 #endif

Zend/zend_hash.c

@@ -26,10 +26,6 @@
 # include <stdlib.h>
 #endif
 
-#ifdef HAVE_LIMITS_H
-# include <limits.h>
-#endif
-
 #define HANDLE_NUMERIC(key, length, func) {												\
 	register char *tmp=key;																\
 																						\

Zend/zend_language_scanner.l

@@ -39,7 +39,6 @@
 #endif
 
 #include <errno.h>
-#include <limits.h>
 #include "zend.h"
 #include "zend_alloc.h"
 #include "zend_language_parser.h"

Zend/zend_operators.c

@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <errno.h>
 #include <stdlib.h>
-#include <limits.h>
 #include <ctype.h>
 #include <math.h>