databases/grass7: update 7.4.1 -> 7.4.3, unbreak build

PR: 228605
Reported by: ohartmann@walstatt.org
Reviewed by: Rainer Hurling <rhurlin@gwdg.de>
Approved by: lbartoletti@tuxfamily.org (maintainer)
Relnotes: https://grass.osgeo.org/news/78/15/GRASS-GIS-7-4-2-released/

		https://trac.osgeo.org/grass/wiki/Release/7.4.3-News