Remove the require_kld function I just committed and replace with a nicer solution.

Reported by:	pjd
Approved by:	cperciva

etc/rc.d/mdconfig

@@ -84,7 +84,7 @@ init_variables()
 		fi
 		if [ "${_file}" != "${_file%.uzip}" ]; then
 			# Load geom_uzip kernel module if needed
-			require_kld geom_uzip
+			kldstat -q -m g_uzip || kldload geom_uzip || err 1 "geom_uzip failed to load."
 			_dev="/dev/${_md}.uzip"
 		fi
 		for _i in `df ${_file} 2>/dev/null`; do _fs=${_i}; done
@@ -103,7 +103,7 @@ mdconfig_start()
 {
 	local _md _mp _config _type _dev _file _fs _newfs _fsck_cmd
 
-	require_kld g_md
+	kldstat -q -m g_md || kldload geom_md || err 1 "geom_md failed to load."
 
 	for _md in ${_mdconfig_list}; do
 		init_variables ${_md}

etc/rc.d/mdconfig2

@@ -89,7 +89,7 @@ init_variables()
 
 		if [ "${_file}" != "${_file%.uzip}" ]; then
 			# Load geom_uzip kernel module if needed
-			require_kld geom_uzip
+			kldstat -q -m g_uzip || kldload geom_uzip || err 1 "geom_uzip failed to load."
 			_dev="/dev/${_md}.uzip"
 		fi
 		for _i in `df ${_file} 2>/dev/null`; do _fs=${_i}; done
@@ -111,7 +111,7 @@ mdconfig2_start()
 {
 	local _md _fs _mp _mounted _dev _config _type _file _owner _perms _files _populate _fsck_cmd _i
 
-	require_kld g_md
+	kldstat -q -m g_md || kldload geom_md || err 1 "geom_md failed to load."
 
 	for _md in ${_mdconfig2_list}; do
 		init_variables ${_md}

etc/rc.subr

@@ -1379,35 +1379,6 @@ ltr()
 	echo "${_out}"
 }
 
-# require_kld name
-#	Ensure given module is loaded.
-#	Try to load it if it's not.
-require_kld()
-{
-	local _name _line _ret
-
-	_name=$1
-	_me="require_kld"
-
-	_ret=`kldstat -v | while read _line; do
-		case ${_line} in
-		*" ${_name}")
-			echo "yes"
-			;;
-		*)
-			;;
-		esac;
-	done`
-
-	if [ -z "${_ret}" ]; then
-                if kldload ${_name}; then
-                        info "${_name} module loaded."
-                else
-                        err 1 "${_me}: ${_name} module failed to load."
-                fi
-        fi
-}
-
 # Creates a list of providers for GELI encryption.
 geli_make_list()
 {