fbpanel: correctly apply -Wno-error

Changed files
+3 -1
pkgs
by-name
fb
fbpanel
+3 -1
pkgs/by-name/fb/fbpanel/package.nix
···
'';
makeFlags = [ "V=1" ];
-
NIX_CFLAGS_COMPILE = [
+
+
env.NIX_CFLAGS_COMPILE = toString [
"-Wno-error"
+
"-Wno-error=incompatible-pointer-types" # not implied by -Wno-error
"-I${gdk-pixbuf-xlib.dev}/include/gdk-pixbuf-2.0"
];