--- main.c.orig	2006-11-06 00:18:37.000000000 +0100
+++ main.c	2007-04-05 14:52:32.115700859 +0200
@@ -271,7 +271,8 @@
 
 	configuracion=0;
 	margen=8;
-		
+	
+	visor_ps=g_string_new("");
 	if(!check_visor("evince"))
 		visor_ps=g_string_new("evince");
 	else if(!check_visor("ggv"))