Merge pull request #254 from AzureAD/oldalton/fix_keychainutil_crash

Fixed occasional keychain crash

Author: oldalton

IdentityCore/src/util/MSIDKeychainUtil.m

@@ -71,13 +71,12 @@ + (NSString *)appDefaultAccessGroup
             appDefaultAccessGroup = [(__bridge NSDictionary *)result objectForKey:(__bridge id)(kSecAttrAccessGroup)];
             MSID_LOG_INFO(nil, @"Defaul app's acces group: \"%@\".", _PII_NULLIFY(appDefaultAccessGroup));
             MSID_LOG_INFO_PII(nil, @"Defaul app's acces group: \"%@\".", appDefaultAccessGroup);
+            CFRelease(result);
         }
         else
         {
             MSID_LOG_ERROR(nil, @"fetching kSecAttrAccessGroup, status: %d", (int)status);
         }
-        
-        CFRelease(result);
     });
 
     return appDefaultAccessGroup;