fixed an SBML model processing bug in modiSBML2.c

Inline statements in templates were ill processed (e.g. blank spaces 
were removed) when coupled to an SBML model.
That is now fixed. Inline () statements are transcribed "as is".
The latest version of the file is available on
http://cvs.savannah.gnu.org/viewvc/mcsim/mod/?root=mcsim

F. Bois