multilib: fixed parse-config to backup arch_target and restore it after compiling

lib/multilib/parse-config

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: lib/multilib/parse-config
-# Copyright (C) 2008 The OpenSDE Project
+# Copyright (C) 2008 - 2011 The OpenSDE Project
 #
 # More information can be found in the files COPYING and README.
 #
@@ -36,6 +36,8 @@ multilib_abi_loop() {
 
 	# alter arch_target if we build 32bit
 	if [ "$abi" = "32" ]; then
+		# backup arch_target and restore it after compiling
+		hook_add postmake 9 "arch_target=$arch_target"
 		arch_target="$( echo $arch_target | arch2arch32 )"
 		echo_status "Setting arch_target to $arch_target"
 	fi