fixup! Add PackageInfos_ (haskell#3909)

Author: blackheaven

cabal-testsuite/PackageTests/Check/ConfiguredPackage/CabalVersion/AutoGenMods/cabal.out

@@ -1,4 +1,5 @@
 # cabal check
 Warning: The following errors will cause portability problems on other environments:
 Warning: Packages using 'cabal-version: 2.0' and the autogenerated module Paths_* must include it also on the 'autogen-modules' field besides 'exposed-modules' and 'other-modules'. This specifies that the module does not come with the package and is generated on setup. Modules built with a custom Setup.hs script also go here to ensure that commands like sdist don't fail.
+Warning: Packages using 'cabal-version: 2.0' and the autogenerated module PackageInfos_* must include it also on the 'autogen-modules' field besides 'exposed-modules' and 'other-modules'. This specifies that the module does not come with the package and is generated on setup. Modules built with a custom Setup.hs script also go here to ensure that commands like sdist don't fail.
 Warning: Hackage would reject this package.