Can't have 2 versions on win32

[Phil Longstaff]

I have 2.2.6 installed on WinXP for my normal use.  I'm trying to get
libdbi to build so that I can test the dbi backend.  I have it building
now, but when I try to run the gnucash.bat file, it complains that it
can't find some of the new dlls in the installed lib location.  Well, of
course not.  The problem is that it uses the windows registry to get the
 lib/module path, not the build path.

Phil