gnucash master: Fix build on ubuntu 18.04.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/bf6f4634 (commit)
	from  https://github.com/Gnucash/gnucash/commit/a8ae00c5 (commit)



commit bf6f46341916e567fea4f1ac9916733c27a611e9
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Apr 24 21:51:13 2020 -0700

    Fix build on ubuntu 18.04.
    
    Apparently that version of cmake's pkg_check_modules chokes on pkg>x.x.x.



Summary of changes:
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)