Remove compiler/cpp/version.h in "make clean"


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@719380 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/compiler/cpp/Makefile.am b/compiler/cpp/Makefile.am
index eb46a53..024f443 100644
--- a/compiler/cpp/Makefile.am
+++ b/compiler/cpp/Makefile.am
@@ -83,7 +83,7 @@
 EXTRA_DIST = README
 
 clean-local:
-	$(RM) thriftl.cc thrifty.cc thrifty.h
+	$(RM) thriftl.cc thrifty.cc thrifty.h version.h
 
 src/main.cc: version.h