Fix error reporting in wavemap.c:wodOpen(); this solves the
[wine] / dlls / sti /
drwxr-xr-x   ..
-rw-r--r-- 47 .cvsignore
-rw-r--r-- 219 Makefile.in
-rw-r--r-- 216 sti.spec
-rw-r--r-- 1086 sti_main.c