petrifoo: pull patch pending upstream inclusion for -fno-common toolchain support
petrifoo: pull patch pending upstream inclusion for -fno-common toolchain support

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

    ld: CMakeFiles/petri-foo.dir/voicetab.c.o:(.bss+0x0): multiple definition of
      `recent_manager'; CMakeFiles/petri-foo.dir/audio-settings.c.o:(.bss+0x0): first defined here

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs