Fix git-cl quoting, yet again.

Using "%@" will correctly requote quoted arguments. Tested with repro case.
The fix in r232184 missed the necessary argument quoting.

R=iannucci@chromium.org
BUG=314192
BUG=241769

Review URL: https://codereview.chromium.org/47873010

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@232501 0039d316-1c4b-4281-b951-d872f2087c98

git-cl

@@ -21,7 +21,7 @@ fi
 # "$base_dir"/update_depot_tools
 
 if [ -e "$base_dir/python.bat" -a $MINGW = 0 ]; then
-  PYTHONDONTWRITEBYTECODE=1 cmd.exe //c $base_dir\\python.bat $base_dir\\git_cl.py $@
+  PYTHONDONTWRITEBYTECODE=1 cmd.exe //c "$base_dir\\python.bat" "$base_dir\\git_cl.py" "$@"
 else
   PYTHONDONTWRITEBYTECODE=1 exec "$base_dir/git_cl.py" "$@"
 fi

git-try

@@ -15,7 +15,7 @@ else
 fi
 
 if [ -e "$base_dir/python.bat" -a $MINGW = 0 ]; then
-  PYTHONDONTWRITEBYTECODE=1 cmd.exe //c $base_dir\\python.bat $base_dir\\git_try.py $@
+  PYTHONDONTWRITEBYTECODE=1 cmd.exe //c "$base_dir\\python.bat" "$base_dir\\git_try.py" "$@"
 else
   PYTHONDONTWRITEBYTECODE=1 exec "$base_dir/git_try.py" "$@"
 fi

pylint

@@ -13,7 +13,7 @@ OUTPUT="$(uname | grep 'MINGW')"
 MINGW=$?
 
 if [ -e "$base_dir/python.bat" -a $MINGW = 0 ]; then
-  PYTHONDONTWRITEBYTECODE=1 cmd.exe //c $base_dir\\python.bat $base_dir\\pylint.py $@
+  PYTHONDONTWRITEBYTECODE=1 cmd.exe //c "$base_dir\\python.bat" "$base_dir\\pylint.py" "$@"
 else
   PYTHONDONTWRITEBYTECODE=1 exec "$base_dir/pylint.py" "$@"
 fi