game: grenade trail fix

game/server/hl2/grenade_frag.cpp

@@ -155,9 +155,10 @@ void CGrenadeFrag::OnRestore( void )
 void CGrenadeFrag::CreateEffects( void )
 {
 	// Start up the eye glow
-	m_pMainGlow = CSprite::SpriteCreate( "sprites/redglow1.vmt", GetLocalOrigin(), false );
+	if( !m_pMainGlow )
+		m_pMainGlow = CSprite::SpriteCreate( "sprites/redglow1.vmt", GetLocalOrigin(), false );
 
-	int	nAttachment = LookupAttachment( "fuse" );
+	int nAttachment = LookupAttachment( "fuse" );
 
 	if ( m_pMainGlow != NULL )
 	{
@@ -169,7 +170,8 @@ void CGrenadeFrag::CreateEffects( void )
 	}
 
 	// Start up the eye trail
-	m_pGlowTrail	= CSpriteTrail::SpriteTrailCreate( "sprites/bluelaser1.vmt", GetLocalOrigin(), false );
+	if( !m_pGlowTrail )
+		m_pGlowTrail = CSpriteTrail::SpriteTrailCreate( "sprites/bluelaser1.vmt", GetLocalOrigin(), false );
 
 	if ( m_pGlowTrail != NULL )
 	{
@@ -450,4 +452,4 @@ bool Fraggrenade_WasCreatedByCombine( const CBaseEntity *pEntity )
 	}
 
 	return false;
-}
+}