missing header file.

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@47 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/freetdm/src/include/sangoma_tdm_api.h

@@ -28,6 +28,7 @@
 #else
 #define WP_INVALID_SOCKET -1
 #include <stropts.h>
+#include <poll.h>
 #endif
 
 #include <wanpipe_defines.h>