msi: Check other sources if install media not present at last used location.
[wine] / dlls / winejack.drv /
drwxr-xr-x   ..
-rw-r--r-- 111 Makefile.in
-rw-r--r-- 80263 audio.c
-rw-r--r-- 3501 jack.c
-rw-r--r-- 968 jack.h
-rw-r--r-- 216 winejack.drv.spec