Fixed reference handling in intltz_get_canonical_id

diff --git a/ext/intl/timezone/timezone_methods.cpp b/ext/intl/timezone/timezone_methods.cpp
index a5624be6e27364982269752c561c60069572085e..cde090c2439abaad04a1be33f13f25878c520d3b 100644 (file)
--- a/ext/intl/timezone/timezone_methods.cpp
+++ b/ext/intl/timezone/timezone_methods.cpp
@@ -325,6 +325,7 @@ U_CFUNC PHP_FUNCTION(intltz_get_canonical_id)
        efree(str);
        
        if (is_systemid) { /* by-ref argument passed */
+               ZVAL_DEREF(is_systemid);
                zval_dtor(is_systemid);
                ZVAL_BOOL(is_systemid, isSystemID);
        }