Fix knife hit sounds.

dlls/aomdc/knife.cpp

@@ -255,9 +255,9 @@ int CKnife::Swing( int fFirst )
 				switch( RANDOM_LONG(0,1) )
 				{
 				case 0:
-					EMIT_SOUND(ENT(m_pPlayer->pev), CHAN_ITEM, "weapons/knife_hitwall1.wav", 1, ATTN_NORM); break;
+					EMIT_SOUND(ENT(m_pPlayer->pev), CHAN_ITEM, "weapons/knife_wall1.wav", 1, ATTN_NORM); break;
 				case 1:
-					EMIT_SOUND(ENT(m_pPlayer->pev), CHAN_ITEM, "weapons/knife_hitwall2.wav", 1, ATTN_NORM); break;
+					EMIT_SOUND(ENT(m_pPlayer->pev), CHAN_ITEM, "weapons/knife_wall2.wav", 1, ATTN_NORM); break;
 				}
 				m_pPlayer->m_iWeaponVolume = CROWBAR_BODYHIT_VOLUME;
 				if ( !pEntity->IsAlive() )