Disable Redhat specific file check when cross-compiling

package/lxc/Makefile

@@ -30,6 +30,7 @@ START_LXC = S64lxc
 
 CONFIGURE_ARGS += \
 	ac_cv_header_sys_types_h_makedev=no \
+	ac_cv_file___etc_redhat_release=no \
 	--prefix= \
 	--exec_prefix= \
 	--enable-doc=no \
@@ -64,7 +65,7 @@ define Package/lxc/install
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_DIR) $(1)/etc/rc3.d
 	$(INSTALL_BIN) ./files/lxc.sh $(1)/etc/init.d
-	ln -s ../init.d/lxc.sh $(1)/etc/rc3.d/$(START_LXC)						
+	ln -s ../init.d/lxc.sh $(1)/etc/rc3.d/$(START_LXC)
 endef
 
 $(eval $(call BuildPackage,lxc))