[ODE] Problems with dGeomID

[steve@eisscholle.de]

Hi,

when compiling my custom GeomClass code i get the following error. I
assume it's horrible simple to fix but i don't know what i do
wrong...
Version is CVS.

Thanks for your patience.
- Stephan

Collision.cpp: In function `void dGeomTerrainSetParams(dxGeom*,
om::Terrain*)':
Collision.cpp:72: invalid use of undefined type `struct dxGeom'
/usr/local/include/ode/common.h:170: forward declaration of `struct
dxGeom'
Collision.cpp: In function `void dGeomTerrainGetParams(dxGeom*,
om::Terrain**)':
Collision.cpp:82: invalid use of undefined type `struct dxGeom'
/usr/local/include/ode/common.h:170: forward declaration of `struct
dxGeom'