init.d/procfs: fix binfmt_misc module load warning

This reworks the logic so that the warning about configuring the
binfmt_misc module is only displayed if the module actually has to be
loaded.

init.d/procfs.in

@@ -22,8 +22,10 @@ depend()
 start()
 {
 	# Setup Kernel Support for miscellaneous Binary Formats
-	if [ -d /proc/sys/fs/binfmt_misc -a ! -e /proc/sys/fs/binfmt_misc/register ]; then
-		if modprobe -q binfmt-misc; then
+	if [ -d /proc/sys/fs/binfmt_misc ] &&
+		[! -e /proc/sys/fs/binfmt_misc/register ]; then
+		if ! grep -qs binfmt_misc /proc/filesystems &&
+			modprobe -q binfmt-misc; then
 			ewarn "The  binfmt-misc module needs to be configured in \
 				@SYSCONFDIR@/conf.d/modules or built in."
 		fi