commit 32ebc7c39452d7595f0275f5290d07c7961c4f0e
Author: Mike Swanson <mikeonthecomputer@gmail.com>
Date:   Sat Jan 11 19:18:38 2014 -0800

    Recognise the Freedoom IWAD names

--- src/deutex.c
+++ src/deutex.c
@@ -1087,6 +1087,9 @@ int main (int argc, char *argv_non_const[])
 	 "doom2",		/* Doom II */
 	 "plutonia",		/* Final Doom */
 	 "tnt",			/* Final Doom */
+	 "freedoom1",		/* Freedoom: Phase 1 */
+	 "freedoom2",		/* Freedoom: Phase 2 */
+	 "freedm"		/* FreeDM */
 	 "heretic",		/* Heretic */
 	 "hexen",		/* Hexen */
 	 "strife1",		/* Strife */