Accepting request 485707 from home:arvidjaar:grub2:gcc7

fix building with GCC (bsc#1030247). ARM is untested.

OBS-URL: https://build.opensuse.org/request/show/485707
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=268

grub2.spec

@@ -208,6 +208,8 @@ Patch78:        grub2-commands-introduce-read_file-subcommand.patch
 Patch79:        grub2-efi-chainload-harder.patch
 Patch80:        grub2-emu-4-all.patch
 Patch81:        grub2-lvm-allocate-metadata-buffer-from-raw-contents.patch
+Patch82:        grub2-fix-uninitialized-variable-in-btrfs-with-GCC7.patch
+Patch83:        grub2-add-FALLTHROUGH-annotations.patch
 # Btrfs snapshot booting related patches
 Patch101:       grub2-btrfs-01-add-ability-to-boot-from-subvolumes.patch
 Patch102:       grub2-btrfs-02-export-subvolume-envvars.patch
@@ -470,6 +472,8 @@ swap partition while in resuming
 %patch79 -p1
 %patch80 -p1
 %patch81 -p1
+%patch82 -p1
+%patch83 -p1
 %patch101 -p1
 %patch102 -p1
 %patch103 -p1