fix compile warnings

diff --git a/ext/standard/url.c b/ext/standard/url.c
index 2a6463dddc89519170d5f10301a0c72c823b48e3..975d5be731ad446dd64e64de4da25a92949b1fff 100644 (file)
--- a/ext/standard/url.c
+++ b/ext/standard/url.c
@@ -450,8 +450,8 @@ PHPAPI char *php_url_encode(char const *s, int len, int *new_length)
        unsigned char *to, *start;
        unsigned char const *from, *end;
        
-       from = s;
-       end = s + len;
+       from = (unsigned char *)s;
+       end = (unsigned char *)s + len;
        start = to = (unsigned char *) safe_emalloc(3, len, 1);
 
        while (from < end) {