devel/llvm16: fix backport of llvm19 fixes

There was a missing line in the patch causing part of it to be ignored.

PR: 285195
Submitted by: milios@ccsys.com
Fixes: 9592edb43243 devel/llvm16: backport flang fixes for llvm19

(cherry picked from commit 78af7a3a03a4a5012cf378fd8d4c08eedf99eb05)