Signed-off-by: Kyrill Briantsev <firstname.lastname@example.org>
Allow GHCi to not crash when no assumed DLL is found in the standard location.
E.g. when loading the package built "dyn" way, we may well have the package's
DLL around, and it's the system linker which loads necessary dependencies.
Why does this (partially) fix Trac #11042? It's because we often (and when having packages built dyn way — almost always) don't need to load anything recorded in the extra-libraries stanza, since if the package DLL exists, GHCi linker simply calls the system linker (via dlopen/ LoadLibrary APIs) to load it and doesn't bother to load package prelinked object file (if any) or package static library.
Thus, all "regular" (with no fancy low-level package content manipulation) packages built "dyn" way should be OK after this fix.