[PATCH (GIT-GUI)] Fix pre-commit hooks under MinGW/MSYS

[Alexander Gavrilov <angavrilov@gmail.com>]

Apply the work-around for checking the executable
permission of hook files not only on Cygwin, but on
Windows in general.

Signed-off-by: Alexander Gavrilov <angavrilov@gmail.com>
---
	This is a fix for msysgit issue #118.
	(http://code.google.com/p/msysgit/issues/detail?id=118)

	I've already sent this patch, but resend it as I haven't received any reply,
	and it is not in git-gui.git yet.

	-- Alexander

 git-gui.sh |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/git-gui.sh b/git-gui.sh
index e6e8890..2d14bf2 100755
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -473,10 +473,10 @@ proc githook_read {hook_name args} {
 	set pchook [gitdir hooks $hook_name]
 	lappend args 2>@1
 
-	# On Cygwin [file executable] might lie so we need to ask
+	# On Windows [file executable] might lie so we need to ask
 	# the shell if the hook is executable.  Yes that's annoying.
 	#
-	if {[is_Cygwin]} {
+	if {[is_Windows]} {
 		upvar #0 _sh interp
 		if {![info exists interp]} {
 			set interp [_which sh]
-- 
1.5.3.3