Update solid.cfg

Author: Nicola-Fonzi

multiphysics/unsteady_fsi_python/Ma03/solid.cfg

@@ -18,7 +18,7 @@ NMODES = 2
 %
 MESH_FILE = modal.f06
 PUNCH_FILE = modal.pch
-MOVING_MARKER = airfoil
+MOVING_MARKER = 1
 TIME_MARCHING = YES
 RESTART_SOL = NO
 %