gnucash maint: add comments to clarify that taxtxf.scm is US-specific

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Updated	 via  https://github.com/Gnucash/gnucash/commit/51332b1a (commit)
	from  https://github.com/Gnucash/gnucash/commit/885227a6 (commit)



commit 51332b1a657da2c8aabe8c63a8b1639ea3f1c698
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Thu Jan 26 18:13:48 2017 -0500

    add comments to clarify that taxtxf.scm is US-specific
    
    src/report/locale-specific/us/taxtxf.scm is specific to US tax codes.
    Add comments to make this clear.



Summary of changes:
 src/report/locale-specific/us/taxtxf.scm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)