parted: changed to check for lvm2 package to enable/disable device-mapper support (see note)

Note:

device-mapper is part of recent lvm2 versions.

filesystem/parted/parted.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../parted/parted.conf
-# Copyright (C) 2007 - 2010 The OpenSDE Project
+# Copyright (C) 2007 - 2011 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2004 Clifford Wolf
 #
@@ -20,8 +20,8 @@ var_append GCC_WRAPPER_REMOVE " " "-Werror"
 
 pkginstalled readline || var_append confopt ' ' "--without-readline"
 
-# device mapper support
-if pkginstalled device-mapper; then
+# lvm2/device mapper support
+if pkginstalled lvm2; then
 	var_append confopt ' ' "--enable-device-mapper"
 	# configure check for device-mapper fails if it has selinux support
 	pkginstalled -f libselinux && export LDFLAGS="-lselinux"