Add support for the conformance test for objc when run on OS X
diff --git a/.gitignore b/.gitignore
index b0a92f8..19e5212 100644
--- a/.gitignore
+++ b/.gitignore
@@ -103,9 +103,12 @@
conformance/conformance-cpp
conformance/conformance-csharp
conformance/conformance-java
+conformance/conformance-objc
conformance/conformance-test-runner
conformance/conformance.pb.cc
conformance/conformance.pb.h
+conformance/Conformance.pbobjc.h
+conformance/Conformance.pbobjc.m
conformance/conformance.rb
conformance/javac_middleman
conformance/protoc_middleman