mfcl3770cdwdriver: set pname

Author: Sigmanificient

pkgs/misc/cups/drivers/brother/mfcl3770cdw/default.nix

@@ -24,9 +24,9 @@ let
 
 in
 rec {
-  driver = pkgsi686Linux.stdenv.mkDerivation rec {
+  driver = pkgsi686Linux.stdenv.mkDerivation {
     inherit src version;
-    name = "${model}drv-${version}";
+    pname = "${model}drv";
 
     nativeBuildInputs = [
       dpkg