[PATCH] gitk: Handle msysGit version during version comparisons

[Pat Thoyts <patthoyts@users.sourceforge.net>]

  msysGit generates version strings with text appended which cannot
  be used with vcompare. Limit git_version to the first three digits
  which are the real git version.

Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
---
 gitk |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/gitk b/gitk
index 0804e6e..1855390 100755
--- a/gitk
+++ b/gitk
@@ -11152,7 +11152,7 @@ set nullid2 "0000000000000000000000000000000000000001"
 set nullfile "/dev/null"
 
 set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
-set git_version [lindex [exec git version] end]
+set git_version [join [lrange [split [lindex [exec git version] end] .] 0 2] .]
 
 set runq {}
 set history {}
-- 
1.6.3.msysgit.0