Bug#1114774: dh-fortran-mod: fortran-support.mk needs updating for gfortran-mod-16

[Adrian Bunk]

Package: dh-fortran-mod
Version: 0.43
Severity: serious
Tags: ftbfs forky sid
Control: affects -1 src:fckit src:fiat-ecmwf

get_fmoddir/get_fmoddirs in fortran-support.mk
need updating for gfortran-mod-16.