Fix compilation issue with BeginAuthSession forward.

Extension/swgshooks.cpp

@@ -82,7 +82,7 @@ void SteamWorksGSHooks::LogOnAnonymous(void)
 
 EBeginAuthSessionResult SteamWorksGSHooks::BeginAuthSession(const void *pAuthTicket, int cbAuthTicket, CSteamID steamID)
 {
-	if (this->pOBAS->GetFunctionCount != 0)
+	if (this->pOBAS->GetFunctionCount() != 0)
 	{
 		this->pOBAS->PushArray(pAuthTicket, cbAuthTicket);
 		this->pOBAS->PushCell(cbAuthTicket);

Extension/swgshooks.h

@@ -41,6 +41,7 @@ class SteamWorksGSHooks
 	private:
 		IForward *pFORR; /* On Restart Requested. */
 		IForward *pFOTR; /* On Token Requested. */
+		IForward *pOBAS; /* On Begin Auth Session. */
 		unsigned char uHooked;
 };