Add prototype for __WSAFDIsSet. Fix syntax error.

diff --git a/include/winsock2.h b/include/winsock2.h
index 53798c9..4bb29d3 100644
--- a/include/winsock2.h
+++ b/include/winsock2.h
@@ -345,7 +345,7 @@
 typedef HANDLE (WINAPI *LPFN_WSAASYNCGETSERVBYNAME)(HWND,u_int,const char*,const char*,char*,int);
 typedef HANDLE (WINAPI *LPFN_WSAASYNCGETSERVBYPORT)(HWND,u_int,int,const char*,char*,int);
 typedef int (WINAPI *LPFN_WSAASYNCSELECT)(SOCKET,HWND,u_int,long);
-typedef int (WINAPI *LPFN_WSACANCELASYNCREQUEST)(HANDLE));
+typedef int (WINAPI *LPFN_WSACANCELASYNCREQUEST)(HANDLE);
 typedef int (WINAPI *LPFN_WSACANCELBLOCKINGCALL)(void);
 typedef int (WINAPI *LPFN_WSACLEANUP)(void);
 typedef int (WINAPI *LPFN_WSAGETLASTERROR)(void);