Actually process relative .egg-link files (backport from trunk)

--HG--
branch : setuptools-0.6
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/branches/setuptools-0.6%4053794

pkg_resources.py

@@ -1633,7 +1633,7 @@ def find_on_path(importer, path_item, only=False):
                 elif not only and lower.endswith('.egg-link'):
                     for line in file(os.path.join(path_item, entry)):
                         if not line.strip(): continue
-                        for item in find_distributions(line.rstrip()):
+                        for item in find_distributions(os.path.join(path_item,line.rstrip())):
                             yield item
 
 register_finder(ImpWrapper,find_on_path)

pkg_resources.txt

@@ -1695,6 +1695,8 @@ Release Notes/Change History
 0.6c6
  * Fix extracted C extensions not having executable permissions under Cygwin.
 
+ * Allow ``.egg-link`` files to contain relative paths.
+
 0.6c4
  * Fix "dev" versions being considered newer than release candidates.