Buildsystem/MSVC: Warning fixes

C4800 'type' : forcing value to bool 'true' or 'false' (performance warning)
C4127 conditional expression is constant

src/server/game/AI/ScriptedAI/ScriptedFollowerAI.h

@@ -60,7 +60,7 @@ class FollowerAI : public ScriptedAI
         void SetFollowPaused(bool bPaused);                 //if special event require follow mode to hold/resume during the follow
         void SetFollowComplete(bool bWithEndEvent = false);
 
-        bool HasFollowState(uint32 uiFollowState) { return (m_uiFollowState & uiFollowState); }
+        bool HasFollowState(uint32 uiFollowState) { return (m_uiFollowState & uiFollowState) != 0; }
 
     protected:
         Player* GetLeaderForFollower();