yubikey-personalization: pull upstream fix for -fno-common toolchains

Without the change build fails on upstream gcc-10 as:

  ld: ./.libs/libykpers_args.a(ykpers-args.o):/build/ykpers-1.20.0/ykpers-args.h:36:
    multiple definition of `usage'; ykpersonalize.o:/build/ykpers-1.20.0/ykpers-args.h:36: first defined here

pkgs/tools/misc/yubikey-personalization/default.nix

@@ -16,6 +16,14 @@ stdenv.mkDerivation rec {
       url = "https://github.com/Yubico/yubikey-personalization/commit/0aa2e2cae2e1777863993a10c809bb50f4cde7f8.patch";
       sha256 = "1wnigf3hbq59i15kgxpq3pwrl1drpbj134x81mmv9xm1r44cjva8";
     })
+
+    # Pull upstream fix for -fno-common toolchain support:
+    #  https://github.com/Yubico/yubikey-personalization/issues/155
+    (fetchpatch {
+      name = "fno-common.patch";
+      url = "https://github.com/Yubico/yubikey-personalization/commit/09ea16d9e2030e4da6ad00c1e5147e962aa7ff84.patch";
+      sha256 = "0n3ka8n7f3ndbxv3k0bi77d850kr2ypglkw81gqycpqyaciidqwa";
+    })
   ];
 
   nativeBuildInputs = [ pkg-config ];