make_dlls: Recursively ignore .ok files in all tests directories.
[wine] / dlls / msvcrtd /
drwxr-xr-x   ..
-rw-r--r-- 316 Makefile.in
-rw-r--r-- 4225 debug.c
-rw-r--r-- 34597 msvcrtd.spec
drwxr-xr-x - tests