Fix postgresql-libpq-configure (#2370) #3126

Job	Run time
cabal	13s
check-materialization-concurrency	18s
build-extra-hackages	7s
cabal-doExactConfig	10s
check-path-support	6s
closure-size	3s
docs	38s
haskell-nix-roots-do-not-require-IFDs	12s
hix-cabal	8s
hix	27s
hydra-ifdLevel-0-and-1	2m 2s
hydra-ifdLevel-2	2m 43s
hydra-ifdLevel-3	30m 11s
hydra-without-remote-builders-ghc9102	49s
hydra-without-remote-builders-ghc967	1m 7s
maintainer-scripts	4s
multi-target	34s
nix-build	58s
nix-tools	15s
plan-extra-hackages	6s
runghc	8s
shellFor-hoogle	14s
shellFor-multiple-package	18s
shellFor-not-depends	19s
shellFor-single-package	18s
tests-benchmarks	9s
unit-tests	8s
update-docs	5s
	42m 50s

Provide feedback