fix segfault due to wrong arg type

Author: MagicalTux

git2_remote.c

@@ -201,7 +201,7 @@ static PHP_METHOD(Remote, download) {
 	HashTable *refspecs = NULL;
 	HashTable *opts = NULL;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a!a!", &refspecs, &opts) != SUCCESS) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|h!h!", &refspecs, &opts) != SUCCESS) {
 		return;
 	}
 
@@ -235,20 +235,20 @@ static PHP_METHOD(Remote, fetch) {
 	HashTable *refspecs = NULL;
 	HashTable *opts = NULL;
 	git_fetch_options git_opts = GIT_FETCH_OPTIONS_INIT;
+
 	git_strarray git_refspecs;
 	git_refspecs.count = 0;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a!a!", &refspecs, &opts) != SUCCESS) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|h!h!", &refspecs, &opts) != SUCCESS) {
 		return;
 	}
 
 	GIT2_REMOTE_FETCH();
 
 	// parse parameters
-	git2_parse_fetch_options(&git_opts, opts);
-
 	if (refspecs)
 		php_git2_ht_to_strarray(&git_refspecs, refspecs);
+	git2_parse_fetch_options(&git_opts, opts);
 
 	int res = git_remote_fetch(intern->remote, &git_refspecs, &git_opts, NULL);
 
@@ -271,7 +271,7 @@ static PHP_METHOD(Remote, upload) {
 	HashTable *refspecs = NULL;
 	HashTable *opts = NULL;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a!a!", &refspecs, &opts) != SUCCESS) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|h!h!", &refspecs, &opts) != SUCCESS) {
 		return;
 	}
 	GIT2_REMOTE_FETCH();
@@ -302,7 +302,7 @@ static PHP_METHOD(Remote, push) {
 	HashTable *refspecs = NULL;
 	HashTable *opts = NULL;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a!a!", &refspecs, &opts) != SUCCESS) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|h!h!", &refspecs, &opts) != SUCCESS) {
 		return;
 	}
 	GIT2_REMOTE_FETCH();