TBR: cosnicolaou/llog: fix unit test on linux.

Change-Id: I6c273246ae0af81d38bc08b1e92ce38b864e83b8
diff --git a/go/src/github.com/cosnicolaou/llog/glog_test.go b/go/src/github.com/cosnicolaou/llog/glog_test.go
index dafccc7..9d9411f 100644
--- a/go/src/github.com/cosnicolaou/llog/glog_test.go
+++ b/go/src/github.com/cosnicolaou/llog/glog_test.go
@@ -320,7 +320,7 @@
 	"...._.*=2":      true,
 	"..[mno]?_.*t=2": true,
 	// These all use 2 and check the patterns. All are false.
-	".*x=2":            false,
+	".*x$=2":           false,
 	"m.*=2":            true,
 	".._.*=2":          true,
 	".\\[abc\\]._.*=2": false,