RFR(xxs): 8202822: Add .git to .hgignore

[Thomas Stüfe]

Hi all,

could we add .git to .hgignore?

Bug: https://bugs.openjdk.java.net/browse/JDK-8202822

Diff:

--- a/.hgignore Wed May 09 06:51:41 2018 +0200
+++ b/.hgignore Wed May 09 06:55:10 2018 +0200
@@ -13,3 +13,4 @@
 NashornProfile.txt
 .*/JTreport/.*
 .*/JTwork/.*
+.*/.git/.*

Thanks!

Thomas