Ignore files generated from new 'map*.protobuf' sources.
diff --git a/.gitignore b/.gitignore
index 2507579..dd69a34 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@
 
 .dirstamp
 
+map*unittest.pb.*
 unittest*.pb.*
 cpp_test*.pb.*