gnucash-docs maint: [SQL Backends] Clarify footnote about required additional packages.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/b96e4952 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/dc208d56 (commit)



commit b96e49521ca8068b7fa7e819bfe3ac54694b0ddb
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon May 30 12:23:23 2022 -0700

    [SQL Backends] Clarify footnote about required additional packages.



Summary of changes:
 guide/C/ch_basics.xml | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)