Append .dll extension in all cases (spotted by Mike Hearn).
[wine] / dlls / snmpapi /
drwxr-xr-x   ..
-rw-r--r-- 44 .cvsignore
-rw-r--r-- 187 Makefile.in
-rw-r--r-- 1401 main.c
-rw-r--r-- 1052 snmpapi.spec