Fix problem exposed by the improvements in version 8b. Demonstrated by
[wine] / dlls / winmm / mciavi /
drwxr-xr-x   ..
-rw-r--r-- 42 .cvsignore
-rw-r--r-- 287 Makefile.in
-rw-r--r-- 13758 info.c
-rw-r--r-- 34020 mciavi.c
-rw-r--r-- 279 mciavi.drv.spec
-rw-r--r-- 20354 mciavi_res.rc
-rw-r--r-- 19807 mmoutput.c
-rw-r--r-- 3333 private_mciavi.h
-rw-r--r-- 6526 wnd.c