Mark m_flGravity as predicted field

Author: ficool2

src/game/client/c_baseentity.cpp

@@ -540,7 +540,7 @@ BEGIN_PREDICTION_DATA_NO_BASE( C_BaseEntity )
 //	DEFINE_FIELD( m_flLastMessageTime, FIELD_FLOAT ),
 	DEFINE_FIELD( m_vecBaseVelocity, FIELD_VECTOR ),
 	DEFINE_FIELD( m_iEFlags, FIELD_INTEGER ),
-	DEFINE_FIELD( m_flGravity, FIELD_FLOAT ),
+	DEFINE_PRED_FIELD( m_flGravity, FIELD_FLOAT, FTYPEDESC_INSENDTABLE | FTYPEDESC_NOERRORCHECK ),
 //	DEFINE_FIELD( m_ModelInstance, FIELD_SHORT ),
 	DEFINE_FIELD( m_flProxyRandomValue, FIELD_FLOAT ),