treewide: Mass replace 'flac}/bin' to refer the 'bin' output

pkgs/applications/audio/caudec/default.nix

@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   postFixup = ''
     for executable in $(cd $out/bin && ls); do
 	wrapProgram $out/bin/$executable \
-	  --prefix PATH : "${bc}/bin:${findutils}/bin:${sox}/bin:${procps}/bin:${opusTools}/bin:${lame}/bin:${flac}/bin"
+	  --prefix PATH : "${bc}/bin:${findutils}/bin:${sox}/bin:${procps}/bin:${opusTools}/bin:${lame}/bin:${flac.bin}/bin"
     done
   '';
 

pkgs/tools/audio/beets/default.nix

@@ -121,7 +121,7 @@ in buildPythonPackage rec {
     }' beets/ui/commands.py
   '' + optionalString enableBadfiles ''
     sed -i -e '/self\.run_command(\[/ {
-      s,"flac","${flac}/bin/flac",
+      s,"flac","${flac.bin}/bin/flac",
       s,"mp3val","${mp3val}/bin/mp3val",
     }' beetsplug/badfiles.py
   '' + optionalString enableReplaygain ''