Fix some warnings.

dlls/aghl/agarena.cpp

@@ -40,7 +40,7 @@ void AgArena::Think()
     CBasePlayer* pPlayer1 = GetPlayer1();
     CBasePlayer* pPlayer2 = GetPlayer2();
 
-    if (!pPlayer1 || pPlayer1 && !pPlayer1->IsAlive() || !pPlayer2 || pPlayer2 && !pPlayer2->IsAlive())
+    if (!pPlayer1 || ( pPlayer1 && !pPlayer1->IsAlive() ) || !pPlayer2 || ( pPlayer2 && !pPlayer2->IsAlive() ) )
     {
       m_Status = PlayerDied;
       m_fNextCountdown = gpGlobals->time + 3.0;  //Let the effect of him dying play for 3 seconds

dlls/dmc/quake_items.cpp

@@ -499,7 +499,7 @@ void CBasePlayer::Deathmatch_Weapon(int iOldWeapon, int iNewWeapon)
 			W_ChangeWeapon( iPickedWep ); break;
 		case 2:
 
-			if ( iPickedWep == 8 && !FBitSet(pev->flags , FL_INWATER) || iPickedWep > iOldWep )
+			if ( ( iPickedWep == 8 && !FBitSet(pev->flags, FL_INWATER) ) || iPickedWep > iOldWep )
 				W_ChangeWeapon( iPickedWep );
 			break;
 	}

dlls/dmc/quake_player.cpp

@@ -32,8 +32,8 @@ extern int gmsgStatusText;
 extern int gmsgStatusValue; 
 extern DLL_GLOBAL Vector		g_vecAttackDir;
 
-/*************************************
+/*************************************/
-			  STATUS BAR 
+/*			  STATUS BAR */
 /*************************************/
 
 // Initialise the player's status bar