Stop wavemap lookup if a device isn't functional (spotted by Lionel
[wine] / dlls / winmm / wavemap /
drwxr-xr-x   ..
-rw-r--r-- 42 .cvsignore
-rw-r--r-- 268 Makefile.in
-rw-r--r-- 198 msacm.drv.spec
-rw-r--r-- 32415 wavemap.c