Nothing was forgotten hehe

![oops](https://matrix.iiens.net/_matrix/media/r0/thumbnail/baguette.party/rHCyWHuwEzOKuZOVNdqpElaO?height=128&width=128&method=scale)

src/mkv/write.c

@@ -150,8 +150,8 @@ error:
     CloseHandle(pi.hThread);
 
     return sta;
-#endif
 }
+#endif
 
 int
 kara_metadata_write(struct kara_metadata *mdt, const char *filename)