tools: initial.sh fixed to accept spaces in current path

When changing the path to the hooks folder, the path needs to be
surrounded by quotation marks, to avoid failures when the current
path contains spaces (not only legal, but a common case on
Mac OS X).

Change-Id: I8f180ab5f26fab00a7d78ebfe5713d4146c27452
Signed-off-by: Liviu Ionescu <ilg@livius.net>
Reviewed-on: http://openocd.zylin.com/683
Tested-by: jenkins
Reviewed-by: Peter Stuge <peter@stuge.se>

tools/initial.sh

@@ -20,7 +20,7 @@ add_remote()
 
 update_commit_msg()
 {
-	cd ${TOPDIR}/.git/hooks
+	cd "${TOPDIR}/.git/hooks"
 	save_file=commit-msg-`date +%F-%T`
 	mv commit-msg $save_file
 	printf "%-30s"	"Updating commit-msg"