gnucash maint: [account-summary] tag col headers properly to fix formatting

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/1a6314e1 (commit)
	from  https://github.com/Gnucash/gnucash/commit/3a244681 (commit)



commit 1a6314e10867f9c42b617cee2ef3ed87e05a404b
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sat Sep 21 20:39:16 2019 +0800

    [account-summary] tag col headers properly to fix formatting
    
    With this commit the col headers are now properly formatted. Change
    tests because the tag is now th instead of td therefore sxml (looking
    for td) can't find them anymore.



Summary of changes:
 gnucash/report/standard-reports/account-summary.scm   | 19 +++++++++++--------
 .../standard-reports/test/test-account-summary.scm    |  8 ++++----
 2 files changed, 15 insertions(+), 12 deletions(-)