gnucash master: Fix up boost regex linkage issues on non-OSX platforms.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/94ca7802 (commit)
	from  https://github.com/Gnucash/gnucash/commit/36967708 (commit)



commit 94ca78025e5cd5412c6b6ffd59514c42a9cf3221
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat May 21 11:04:12 2016 -0700

    Fix up boost regex linkage issues on non-OSX platforms.



Summary of changes:
 CMakeLists.txt                      | 2 +-
 src/backend/dbi/CMakeLists.txt      | 2 +-
 src/backend/dbi/test/CMakeLists.txt | 3 ++-
 src/backend/dbi/test/Makefile.am    | 5 ++++-
 4 files changed, 8 insertions(+), 4 deletions(-)