Fixed install init checking the right way for /dev/{console,null,zero}

- We have to use test -c while checking for character devices.

target/share/install/init

@@ -28,15 +28,20 @@ mount -t usbfs none /proc/bus/usb
 mount -t sysfs none /sys
 ln -s /proc/self/fd /dev/fd
 
-echo "Populating /dev (u/dev) ..."
-udevd --daemon
-udevtrigger
-if [ ! -f /dev/console ]; then
+if [ ! -c /dev/console ]; then
 	mknod /dev/console c 5 1
+fi
+if [ ! -c /dev/null ]; then
 	mknod /dev/null c 1 3
+fi
+if [ ! -c /dev/zero ]; then
 	mknod /dev/zero c 1 5
 fi
 
+echo "Populating /dev (u/dev) ..."
+udevd --daemon
+udevtrigger
+
 echo "Running hotplug++ hardware detection ..."
 /sbin/hotplug++ -synth
 echo "/sbin/hotplug++" > /proc/sys/kernel/hotplug
@@ -76,9 +81,13 @@ doboot()
 		mount /proc /mnt_root/proc -t none -o move
 		mount /sys /mnt_root/sys -t none -o move
 
-		if [ ! -f /mnt_root/dev/console ]; then
+		if [ ! -c /mnt_root/dev/console ]; then
 			mknod /mnt_root/dev/console c 5 1
+		fi
+		if [ ! -c /mnt_root/dev/null ]; then
 			mknod /mnt_root/dev/null c 1 3
+		fi
+		if [ ! -c /mnt_root/dev/zero ]; then
 			mknod /mnt_root/dev/zero c 1 5
 		fi