Compare result of RegQueryValueExW() with ERROR_SUCCESS.
[wine] / dlls / rsabase /
drwxr-xr-x   ..
-rw-r--r-- 42 .cvsignore
-rw-r--r-- 249 Makefile.in
-rw-r--r-- 1706 rsabase.spec
drwxr-xr-x - tests