gnucash-docs maint: Fix the cmake dist dependencies in the autotools build.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/73beb776 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/b7619e03 (commit)



commit 73beb776ae77e5354f9602dda8921d15181ff75c
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Sep 8 12:31:20 2019 -0700

    Fix the cmake dist dependencies in the autotools build.



Summary of changes:
 Makefile.am | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)