[ODE] ODE as DLL: addendum

[nlin@nlin.net]

I forgot to include one change in the last patch file for compiling
ODE as a DLL. With the changes, and to compile ODE as a static
library, you need to change the following line in config/makefile.msvc:

CC=cl /nologo /DWIN32 /DMSVC /DSHAREDLIBEXPORT= /DSHAREDLIBIMPORT=

The added part is bit with the the two empty defines.

-Norman

P.S. With ODE v0.03, test (1) at line 649 of test_ode.cpp fails, both
in the static and dynamic versions.