cudatoolkit: set pname instead of name (#486686)

pkgs/development/cuda-modules/packages/cudatoolkit.nix

@@ -64,7 +64,7 @@ let
   allPackages = (map (p: p.__spliced.buildHost or p) hostPackages) ++ targetPackages;
 in
 symlinkJoin rec {
-  name = "cuda-merged-${cudaMajorMinorVersion}";
+  pname = "cuda-merged";
   version = cudaMajorMinorVersion;
 
   paths = builtins.concatMap getAllOutputs allPackages;
@@ -72,7 +72,7 @@ symlinkJoin rec {
   passthru = {
     cc = lib.warn "cudaPackages.cudatoolkit is deprecated, refer to the manual and use splayed packages instead" backendStdenv.cc;
     lib = symlinkJoin {
-      inherit name;
+      inherit pname version;
       paths = map (p: lib.getLib p) allPackages;
     };
   };