fix the letter type, which affects its type-error message

diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index cdec117ea6b3b646af7debfeb0fb812f072a6480..ef9e3cdd0fc8bf68bb6e06dfef3ba3f5f3e61967 100644 (file)
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -1729,7 +1729,7 @@ PHP_FUNCTION(imagecolorallocatealpha)
        gdImagePtr im;
        int ct = (-1);
 
-       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zllll", &IM, &red, &green, &blue, &alpha) == FAILURE) {
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) {
                RETURN_FALSE;
        }