diff -r 1bdca2bcba6d Modules/getpath.c
--- a/Modules/getpath.c	Wed Feb 22 11:53:09 2012 +0200
+++ b/Modules/getpath.c	Wed Feb 22 17:33:35 2012 +0100
@@ -248,6 +248,23 @@
     }
 }
 
+/*  canonicalize_path() removes double dots from path, letting it be the canonical path 
+*/
+static void
+canonicalize_path(wchar_t *path){
+    size_t k,n = 0;
+    while (path[n] != L'\0'){
+        if (path[n] == '.' && path[n+1] == '.'){
+            k = n-2;
+            while (path[k] != SEP)
+                k--;
+            wcscpy(path+k, path+n+2);
+            n = k;
+        }
+        n++;
+    }
+}
+
 /* absolutize() requires that path be allocated at least MAXPATHLEN+1 bytes. */
 static void
 absolutize(wchar_t *path)
@@ -257,6 +274,7 @@
     if (path[0] == SEP)
         return;
     copy_absolute(buffer, path, MAXPATHLEN+1);
+    canonicalize_path(buffer);
     wcscpy(path, buffer);
 }