.gitignore in oily_png-0.2.0 vs .gitignore in oily_png-0.3.0

@@ -1,8 +1,9 @@
 Makefile
 /conftest.dSYM
 *.bundle
 *.o
+*.rbc
 /.bundle/
 /pkg
 oily_png-*.gem
 .DS_Store
 /spec/resources/_*.*
\ No newline at end of file