package: Replace 'echo -n' by 'printf'

'echo -n' is not a POSIX construct (no flag support), we shoud use
'printf', especially in init script.

This patch was generated by the following command line:
git grep -l 'echo -n' -- `git ls-files | grep -v 'patch'` | xargs sed -i 's/echo -n/printf/'

Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/initscripts/init.d/S20urandom

@@ -19,7 +19,7 @@ case "$1" in
 		fi
 		if [ "$VERBOSE" != no ]
 		then
-			echo -n "Initializing random number generator... "
+			printf "Initializing random number generator... "
 		fi
 		# Load and then save 512 bytes,
 		# which is the size of the entropy pool
@@ -38,7 +38,7 @@ case "$1" in
                 fi
 		# Carry a random seed from shut-down to start-up;
 		# see documentation in linux/drivers/char/random.c
-		[ "$VERBOSE" != no ] && echo -n "Saving random seed... "
+		[ "$VERBOSE" != no ] && printf "Saving random seed... "
 		umask 077
 		dd if=/dev/urandom of=/etc/random-seed count=1 \
 			>/dev/null 2>&1 || echo "urandom stop: failed."

package/initscripts/init.d/S40network

@@ -12,7 +12,7 @@ case "$1" in
 	/sbin/ifup -a
 	;;
   stop)
-	echo -n "Stopping network..."
+	printf "Stopping network..."
 	/sbin/ifdown -a
 	;;
   restart|reload)