Philippe 18/09/2023: FLAT_INV: fix for NOOPENACC (deallocate ZBAND_YT and...

Philippe 18/09/2023: FLAT_INV: fix for NOOPENACC (deallocate ZBAND_YT and ZBAND_YRT only if allocated)

src/MNH/flat_inv.f90

@@ -667,8 +667,10 @@ DEALLOCATE(ZY)
 DEALLOCATE(ZAF)
 DEALLOCATE(ZBAND_X)
 DEALLOCATE(ZBAND_Y)
-DEALLOCATE(ZBAND_YT)
-DEALLOCATE(ZBAND_YRT)
+IF (.NOT. L2D) THEN
+  DEALLOCATE(ZBAND_YT)
+  DEALLOCATE(ZBAND_YRT)
+END IF
 DEALLOCATE(ZBAND_YR)
 DEALLOCATE(ZWORKX)
 DEALLOCATE(ZWORKY)