gnucash maint: Replace misleading comment for config.h

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/b2e4148d (commit)
	from  https://github.com/Gnucash/gnucash/commit/04c31a5d (commit)



commit b2e4148d6e6661cbb4c61b3459be42c0cca8f03c
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Fri Dec 21 07:21:04 2018 +0100

    Replace misleading comment for config.h



Summary of changes:
 common/config.h.cmake.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)