Fix commonPath function.

pym/cl_utils.py

@@ -620,7 +620,7 @@ def isMount(path):
 
 def commonPath(*paths):
     """Return common path from list of paths"""
-    paths = map(lambda x:os.path.abspath(x).split('/'),paths)
+    paths = map(lambda x:os.path.normpath(x).split('/'),paths)
     res = map(lambda x:x[0],
         filter(lambda x:filter(lambda y:x[0]==y,x[1:]),zip(*paths)))
     return "/".join(res)