player.h: fix ForEachItem() items iteration

Author: wopox1337

reapi/include/cssdk/dlls/player.h

@@ -383,10 +383,11 @@ class CBasePlayer: public CBaseMonster
 		auto item = m_rgpPlayerItems[ slot ];
 		while (item)
 		{
+			auto next = item->m_pNext;
 			if (func(static_cast<T *>(item)))
 				return static_cast<T *>(item);
 
-			item = item->m_pNext;
+			item = next;
 		}
 		return nullptr;
 	}
@@ -397,10 +398,11 @@ class CBasePlayer: public CBaseMonster
 		{
 			while (item)
 			{
+				auto next = item->m_pNext;
 				if (func(static_cast<T *>(item)))
 					return static_cast<T *>(item);
 
-				item = item->m_pNext;
+				item = next;
 			}
 		}
 		return nullptr;