File unopenable-device-is-bad.patch of Package wine

Fixes RSI Launcher blowing up when trying to patch a a game install outside C:.
diff --git a/dlls/ntdll/unix/file.c b/dlls/ntdll/unix/file.c
index a189472..070bbb8 100644
--- a/dlls/ntdll/unix/file.c
+++ b/dlls/ntdll/unix/file.c
@@ -3256,7 +3256,16 @@ static NTSTATUS get_dos_device( char **unix_name, int start_pos )
     {
         if (!stat( *unix_name, &st ))
         {
+            static int unopenable_device_is_bad = -1;
             TRACE( "-> %s\n", debugstr_a(*unix_name));
+            /* HACK: if user can not open this file, maybe pretend it's a bad device type */
+            if (unopenable_device_is_bad == -1)
+            {
+                char *env = getenv("WINE_UNOPENABLE_DEVICE_IS_NOT_BAD");
+                unopenable_device_is_bad = env ? !atoi(env) : 1;
+            }
+            if (unopenable_device_is_bad != 0 && access(*unix_name, R_OK))
+                return STATUS_BAD_DEVICE_TYPE;
             return STATUS_SUCCESS;
         }
         if (!dev) break;