Implement ValveSoftware#1470

Author: Bitl

game/quiver/info_changelog.txt

@@ -31,6 +31,7 @@ Blacklists:
 Added the following Source SDK Pull Requests:
 	- #1466: MAX_MENU_STRING increase (increased to 4096 characters)
 	- #1469: Fix Sappers becoming indestructible under certain circumstances
+	- #1470: Fix ownerless sentry rockets dealing no damage
 
 Details:
 - Fixed a bug where the mini-crit damage effect doesn't show up when your shield breaks.

src/game/shared/tf/tf_weaponbase_rocket.cpp

@@ -484,7 +484,11 @@ void CTFBaseRocket::Explode( trace_t *pTrace, CBaseEntity *pOther )
 	// Damage.
 	CBaseEntity *pAttacker = GetOwnerEntity();
 	IScorer *pScorerInterface = dynamic_cast<IScorer*>( pAttacker );
+#ifdef BDSBASE
+	if (pScorerInterface && pScorerInterface->GetScorer())
+#else
 	if ( pScorerInterface )
+#endif
 	{
 		pAttacker = pScorerInterface->GetScorer();
 	}