Fixed win/win.c to not NULL-check that which is not NULL.

src/win/win.c

@@ -336,8 +336,7 @@ ProcessCommandLine(wchar_t ***argw)
     args[argc] = NULL;
     *argw = args;
 
-    if (argbuf != NULL)
-	free(argbuf);
+    free(argbuf);
 
     return(argc);
 }