file:// URLs that contain a query part fail to load on libsoup release version 2.37.5 and up to 2.3.90 due to commit: 38aab0e2b5140d98cdf29c7acd830a7bdf3792e4
"Try to make file:// uris work in win32 too"

Found while debugging a failed webkit layout test with that version.

Reproduction steps:
Use Soup Requester to load a file:// url like:
file://LayoutTests/jquery/resources/test/index.html?traversing

Expected:
Filesystem access is made with the query part truncated.

Actual:
libsoup tries to retreive the file with the ?traversing query appended.