fix($q): $q.reject should forward callbacks if missing

$q.reject('some reason').then() should not blow up, but correctly
forward the callbacks instead.

Closes #845

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ng/q.js b/src/ng/q.js
index 074acd1d..b8e1166e 100644
--- a/src/ng/q.js
+++ b/src/ng/q.js
@@ -274,7 +274,7 @@ function qFactory(nextTick, exceptionHandler) {
       then: function(callback, errback) {
         var result = defer();
         nextTick(function() {
-          result.resolve(errback(reason));
+          result.resolve((errback || defaultErrback)(reason));
         });
         return result.promise;
       }