fix: fall back to builtin mscoree when dotnet40 has no native

tools/linuxfs/overlay/usr/local/bin/droiddeck-wincomponents

@@ -649,7 +649,11 @@ def overrides_value(names):
         name = name.strip().lower()
         if name and re.fullmatch(r"[a-z0-9._-]+", name) and re.fullmatch(r"[nb,]*", mode):
             modes.pop(name, None)
-            modes[name] = mode if "=" in entry else "n,b"
+            mode = mode if "=" in entry else "n,b"
+            # dotnet40 has no native mscoree.dll; native-only would hide Wine's loader and fail IL-only apps.
+            if name == "mscoree" and mode == "n":
+                mode = "n,b"
+            modes[name] = mode
     return ";".join("%s=%s" % item for item in modes.items())
 
 

tools/tests/test_wincomponents.py

@@ -261,6 +261,7 @@ class WinComponentsTest(unittest.TestCase):
 
     def test_overrides_value_last_word_wins_and_refuses_junk(self):
         self.assertEqual(MODULE["overrides_value"](["a", "b=n", "a=b", "bad;name", "c=x"]), "b=n;a=b")
+        self.assertEqual(MODULE["overrides_value"](["mscoree=n"]), "mscoree=n,b")
 
 
 class PendingWaitTest(unittest.TestCase):