Remove assumption that drive letters are always uppercase.

* file_io/win32/filepath.c:
  (same_drive): new helper function
  (apr_filepath_merge): use helper rather than a simple comparison

* test/testnames.c:
  (merge_lowercasedrive): do some tests with lowercase drive names

Patch by: Bert Huijben <bert {at} qqmail.nl>
Backports: r960665


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/branches/1.4.x@1099173 13f79535-47bb-0310-9956-ffa450edef68
1 file changed