Also update the other hydro schemes.

src/hydro/Default/hydro.h

src/hydro/Default/hydro_debug.h

src/hydro/Default/hydro_iact.h

src/hydro/Default/hydro_part.h

src/hydro/GizmoMFM/hydro.h

src/hydro/GizmoMFM/hydro_debug.h

src/hydro/GizmoMFM/hydro_iact.h

src/hydro/GizmoMFM/hydro_part.h

src/hydro/GizmoMFV/hydro.h

src/hydro/GizmoMFV/hydro_debug.h

src/hydro/GizmoMFV/hydro_iact.h

src/hydro/GizmoMFV/hydro_part.h

src/hydro/Minimal/hydro.h

src/hydro/Minimal/hydro_debug.h

src/hydro/Minimal/hydro_iact.h

src/hydro/Minimal/hydro_part.h

src/hydro/Planetary/hydro.h

src/hydro/Planetary/hydro_debug.h

src/hydro/Planetary/hydro_iact.h

src/hydro/Planetary/hydro_part.h