Use absolute paths for all symlinks.

Hopefully this will work better on windows.

Author: kjnilsson

src/ra_log_segments.erl

@@ -873,7 +873,7 @@ make_symlinks(Dir, To, From)
          _ = prim_file:delete(SymFn),
          %% make a symlink from the compacted target segment to a new .link
          %% where the compacted indexes now can be found
-         ok = prim_file:make_symlink(filename:basename(To), SymFn),
+         ok = prim_file:make_symlink(To, SymFn),
          %% rename to link to replace original segment
          ok = prim_file:rename(SymFn, SegFn)
      end || FromFn <- From],

test/ra_log_segments_SUITE.erl

@@ -731,7 +731,7 @@ major_deletes_orphaned_segments(Config) ->
     %% Create symlink with a name in the orphaned range (e.g., 0000000000000002.segment)
     %% but we'll use a different name to avoid conflicts
     SymlinkName = filename:join(Dir, "0000000000000002a.segment"),
-    ok = prim_file:make_symlink(filename:basename(SymlinkTarget), SymlinkName),
+    ok = prim_file:make_symlink(SymlinkTarget, SymlinkName),
     ct:pal("Created test symlink: ~p -> ~p", [SymlinkName, SymlinkTarget]),
 
     %% Now run major compaction - this should delete the orphaned regular files