gnucash maint: Fix travis failure try 2.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/284d6c14 (commit)
	from  https://github.com/Gnucash/gnucash/commit/73d19360 (commit)



commit 284d6c14565784bd14029d6dc98cbda20fa916db
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Nov 11 17:43:24 2018 +0900

    Fix travis failure try 2.
    
    stdint.h for Transaction.c too.
    
    Also get rid of unused timeval decl.



Summary of changes:
 libgnucash/engine/Transaction.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)