fix unix-only valgrind issue by initializing arch

diff --git a/ext/phar/phar_object.c b/ext/phar/phar_object.c
index a45969e586d3ee1070b774720aff248b629feeec..2ae7e34dd8d3d8935bff91eec5b10b2f41378107 100755 (executable)
--- a/ext/phar/phar_object.c
+++ b/ext/phar/phar_object.c
@@ -1144,7 +1144,7 @@ PHP_METHOD(Phar, __construct)
 #if !HAVE_SPL
        zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C), 0 TSRMLS_CC, "Cannot instantiate Phar object without SPL extension");
 #else
-       char *fname, *alias = NULL, *error, *arch, *entry = NULL, *save_fname, *objname;
+       char *fname, *alias = NULL, *error, *arch = NULL, *entry = NULL, *save_fname, *objname;
        int fname_len, alias_len = 0, arch_len, entry_len, is_data;
        long flags = 0;
        phar_archive_object *phar_obj;