merge mainline into install

grub-core/loader/i386/pc/chainloader.c

@@ -69,6 +69,7 @@ grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
 
   grub_dl_ref (my_mod);
 
+  grub_file_filter_disable_compression ();
   file = grub_file_open (filename);
   if (! file)
     goto fail;

grub-core/loader/i386/pc/linux.c

@@ -401,6 +401,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
 
   addr_min = GRUB_LINUX_BZIMAGE_ADDR + grub_linux16_prot_size;
 
+  grub_file_filter_disable_compression ();
   file = grub_file_open (argv[0]);
   if (!file)
     goto fail;