THRIFT-1614: handle automake >= 1.12 yacc output name (thrifty.hh)
diff --git a/.gitignore b/.gitignore
index 403321e..eb2ae4d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,7 @@
 /compiler/cpp/thriftl.cc
 /compiler/cpp/thrifty.cc
 /compiler/cpp/thrifty.h
+/compiler/cpp/thrifty.hh
 /compiler/cpp/version.h
 /config.*
 /configure