Fix printf and formatting so 'go test' passes

Change-Id: I90e4c8a4976e2b33820259fefa4ddd1c5823e7f6
diff --git a/.gitignore b/.gitignore
index d37010e..203f81b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 bbsim
-openolt/openolt.pb.go
+protos/openolt.pb.go
 coverage.txt