initrd.scripts: simplify rootdev_init. Break if conditions for better readability

defaults/initrd.scripts

@@ -2017,16 +2017,16 @@ rootdev_init() {
 		done
 
 
-		if [ "${got_good_root}" = "1" ] && is_livecd && ! is_nfs
-		then
+		if [ "${got_good_root}" = "1" ] && is_livecd && ! is_nfs; then
 			# CD already mounted; no further checks necessary
 			break
-		elif [ "${LOOPTYPE}" = "sgimips" ]
-		then
+		fi
+		if [ "${LOOPTYPE}" = "sgimips" ]; then
 			# sgimips mounts the livecd root partition directly
 			# there is no isofs filesystem to worry about
 			break
-		else
+		fi
+
 		good_msg "Mounting $REAL_ROOT as root..."
 
 		if [ "${ROOTFSTYPE}" = 'zfs' ]
@@ -2090,7 +2090,6 @@ rootdev_init() {
 			got_good_root=0
 			REAL_ROOT=''
 		fi
-		fi
 	done
 }