msvcp90: Use critical sections in mutex object.
[wine] / dlls / pdh /
drwxr-xr-x   ..
-rw-r--r-- 78 Makefile.in
-rw-r--r-- 5066 pdh.spec
-rw-r--r-- 38131 pdh_main.c
drwxr-xr-x - tests