ResolveInfo::foldSelectionSet handles recursion incorrectly

[gabym]

When calling ResolveInfo::foldSelectionSet recursively, --$descend should be replaced with $descend - 1 otherwise in the next iteration step (in case we are in a loop) the results will be wrong.

[vladar]

Fixed in 68d8681

Thanks for reporting!

[gabym]

Thanks for fixing so quickly