Allow "*" as a catch-all namespace.

In an IDL file, you can can now declare "namespace * foo",
which will apply to any language not explicitly specified.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@992012 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/compiler/cpp/src/thriftl.ll b/compiler/cpp/src/thriftl.ll
index 84e02bb..b8c36c3 100644
--- a/compiler/cpp/src/thriftl.ll
+++ b/compiler/cpp/src/thriftl.ll
@@ -342,6 +342,11 @@
 }
 
 
+. {
+  /* Catch-all to let us catch "*" in the parser. */
+  return (int) yytext[0];
+}
+
 %%
 
 /* vim: filetype=lex