Fix initrd compression "gzip", reported by Peter Gantner (bug #411197)

ChangeLog

@@ -5,6 +5,9 @@
 # Distributed under the GPL v2
 # $Id$
 
+  08 Apr 2012; Sebastian Pipping <sping@gentoo.org> gen_initramfs.sh:
+  Fix initrd compression "gzip", reported by Peter Gantner (bug #411197)
+
   30 Mar 2012; Sebastian Pipping <sping@gentoo.org> genkernel:
   Bump version to 3.4.28
 

gen_initramfs.sh

@@ -707,7 +707,7 @@ create_initramfs() {
 			cmd_lzop=$(type -p lzop)
 			local compression
 			case ${COMPRESS_INITRD_TYPE} in
-				xz|lzma|bzip2|gzip2|lzo) compression=${COMPRESS_INITRD_TYPE} ;;
+				xz|lzma|bzip2|gzip|lzo) compression=${COMPRESS_INITRD_TYPE} ;;
 				best)
 					if grep -sq '^CONFIG_RD_XZ=y' ${KERNEL_DIR}/.config && test -n "${cmd_xz}" ; then
 						compression=xz