treewide: Some EOF-whitespace fixes

pkgs/misc/emulators/atari++/default.nix

@@ -23,6 +23,6 @@ stdenv.mkDerivation rec{
       (Linux, Solaris, Irix).
     '';
     maintainers = [ maintainers.AndersonTorres ];
-    license = licenses.gpl2Plus;    
-  };    
+    license = licenses.gpl2Plus;
+  };
 }

pkgs/misc/emulators/atari800/default.nix

@@ -27,6 +27,6 @@ stdenv.mkDerivation rec{
       other systems supported by the SDL library.
     '';
     maintainers = [ maintainers.AndersonTorres ];
-    license = licenses.gpl2Plus;    
-  };    
+    license = licenses.gpl2Plus;
+  };
 }