golint: get rid of underscore warnings for good.

We got another warning for force_other:

	cli_args.go:26:45: don't use underscores in Go names; struct field force_owner should be forceOwner

Use a broader grep.

golint.bash

@@ -4,8 +4,7 @@ OUTPUT=$(
 	golint ./... | \
 	 grep -v "don't use an underscore in package name" | \
 	 grep -v "don't use ALL_CAPS in Go names; use CamelCase" |
-	 grep -v "struct field allow_other should be allowOther" |
-	 grep -v "struct field serialize_reads should be serializeReads"
+	 grep -v "don't use underscores in Go names"
 )
 
 # No output --> all good