[PATCH]: fix get_source.sh script for non-English locale

[Guido Trentalancia]

Always check the hg version using the default C locale for messages,
otherwise the output string does not match.

The hg version check had been introduced with the following:
changeset:   1057:406ecd8cce66
user:        mduigou
date:        Tue Jun 24 15:21:47 2014 -0700
summary:     8047925: Add mercurial version checks to get_source.sh

Signed-off-by: Guido Trentalancia <guido at trentalancia.net>
---
 get_source.sh |    1 +
 1 file changed, 1 insertion(+)

--- jdk8u60-orig/get_source.sh	2016-05-10 14:40:37.791909160 +0200
+++ jdk8u60/get_source.sh	2016-05-10 14:54:17.716317364 +0200
@@ -67,7 +67,7 @@ if [ "x$hgwhere" = "x" ]; then
   error "Could not locate Mercurial command"
 fi
 
-hgversion="`hg --version 2> /dev/null | sed -n -e 's@^Mercurial Distributed SCM (version \([^+]*\).*)\$@\1 at p'`"
+hgversion="`LC_MESSAGES=C hg --version 2> /dev/null | sed -n -e 's@^Mercurial Distributed SCM (version \([^+]*\).*)\$@\1 at p'`"
 if [ "x${hgversion}" = "x" ] ; then
   error "Could not determine Mercurial version of $hgwhere"
 fi