BUG configuing --with-version-suffix

[Angus Leeming]

If I configure lyx with --with-version-suffix, make and install it and then 
run
        lyx-1.2.0cvs
then I am unable to import LaTeX files, because lyx looks for reLyX and 
cannot find it. It should be looking for reLyX-1.2.0cvs.

Angus