Fix quoting issue (bug #380729)

ChangeLog

@@ -5,6 +5,12 @@
 # Distributed under the GPL v2
 # $Id$
 
+  30 Aug 2011; Sebastian Pipping <sping@gentoo.org> defaults/initrd.scripts:
+  Fix quoting issue (bug #380729).
+
+  Thanks to:
+  - Axel Bringenberg
+
   30 Aug 2011; Sebastian Pipping <sping@gentoo.org>
   +patches/mdadm/3.1.4/mdadm-3.1.4-z-now.patch, gen_compile.sh:
   Enable patch application for mdadm, add patch to fix compilation (bug

defaults/initrd.scripts

@@ -858,7 +858,7 @@ openLUKS() {
 					fi
 					# At this point a candidate key exists (either mounted before or not)
 					good_msg "${LUKS_KEY} on device ${LUKS_KEYDEV} found" ${CRYPT_SILENT}
-					if [ $(echo ${LUKS_KEY} | grep -o '.gpg$') = ".gpg" ] && [ -e /sbin/gpg ] ; then
+					if [ "$(echo ${LUKS_KEY} | grep -o '.gpg$')" = ".gpg" ] && [ -e /sbin/gpg ] ; then
 						[ -e /dev/tty ] && mv /dev/tty /dev/tty.org
 						mknod /dev/tty c 5 1
 						cryptsetup_options="-d -"