std.debug.Dwarf: fix loading external debuginfo in the ".debuglink" case.

- look up the debuglink file in the directory of the executable file (instead of the cwd)
 - fix parsing of debuglink section (the 4-byte alignement is within the file, unrelated to the in-memory address)
7e966de45eXavier Bouchoux committed on 8/8/2024, 5:15:00 AMparent7a7421c
2 files changedLine totals unavailable