From:
http://sourceforge.net/projects/ede/forums/forum/249614/topic/3458921

diff -uNr efltk.orig/src/core/filename_list.cpp efltk/src/core/filename_list.cpp
--- efltk.orig/src/core/filename_list.cpp	2007-11-16 14:17:51.000000000 +0100
+++ efltk/src/core/filename_list.cpp	2010-01-15 01:03:59.000000000 +0100
@@ -59,7 +59,7 @@
     // The vast majority of Unix systems want the sort function to have this
     // prototype, most likely so that it can be passed to qsort without any
     // changes:
-    return scandir(dir, list, 0, (int(*)(const void*,const void*))sort);
+    return scandir(dir, list, 0, (int(*)(const dirent **,const dirent **))sort);
 #else
     // This version is when we define our own scandir (WIN32 and perhaps
     // some Unix systems) and apparently on Irix: