gnucash stable: [gnc-pricedb.cpp] convert to cpp

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/e841ceaa (commit)
	from  https://github.com/Gnucash/gnucash/commit/707925ad (commit)



commit e841ceaaa188798c57f988319301e20c219bf92b
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sun Jul 23 15:19:43 2023 +0800

    [gnc-pricedb.cpp] convert to cpp



Summary of changes:
 libgnucash/engine/CMakeLists.txt                   |   2 +-
 .../engine/{gnc-pricedb.c => gnc-pricedb.cpp}      | 156 ++++++++++-----------
 po/POTFILES.in                                     |   2 +-
 3 files changed, 80 insertions(+), 80 deletions(-)
 rename libgnucash/engine/{gnc-pricedb.c => gnc-pricedb.cpp} (94%)