add _testmain.go to .hgignore

R=rsc, r2
CC=golang-dev
https://golang.org/cl/2332042

diff --git a/.hgignore b/.hgignore
index 54b54366df9ddddb6e412db499f7bb89fa1a8af3..40ee75054db76b1c1537f3d36f17f26de146ec0e 100644 (file)
--- a/.hgignore
+++ b/.hgignore
@@ -14,6 +14,7 @@ syntax:glob
 core
 _obj
 _test
+_testmain.go
 y.tab.[ch]
 doc/htmlgen
 src/Make.inc