Fix tmpfs(5) '/tmp' mount point.

A stray trailing space snuck in with one of the recent
changes, making r290550 and r290573 effectively no-op.

MFC after:	3 days
Sponsored by:	The FreeBSD Foundation

release/tools/arm.subr

@@ -110,7 +110,7 @@ arm_install_base() {
 		>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
 	echo "/dev/msdosfs/MSDOSBOOT /boot/msdos msdosfs rw,noatime 0 0" \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
-	echo "tmpfs /tmp tmpfs rw,mode=1777,size=30m 0 0" \ 
+	echo "tmpfs /tmp tmpfs rw,mode=1777,size=30m 0 0" \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
 
 	local hostname