Print line numbers in search results of git-gs

git-gs

Index: git-gs
===================================================================
--- git-gs	(revision 33674)
+++ git-gs	(working copy)
@@ -2,7 +2,7 @@
 # Copyright (c) 2009 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-git grep -e "$@" -- "*.h" "*.hpp" "*.cpp" "*.c" "*.cc" "*.cpp" "*.inl"\
+git grep -n -e "$@" -- "*.h" "*.hpp" "*.cpp" "*.c" "*.cc" "*.cpp" "*.inl"\
    "*.grd" "*.idl" "*.m" "*.mm" "*.py" "*.sh" "*.cfg"\
    "*SConscript" "SConscript*" "*.scons" "*.vcproj" "*.vsprops" "*.make"\
    "*.gyp" "*.gypi"