# HG changeset patch
# User Timo Sirainen <tss@iki.fi>
# Date 1194108040 -7200
# Node ID baf570ca608bbd1230d501f28efbce6fe7cbaa39
# Parent  2a49ba9789b1a222715e2170dc0731b35c5671be
Don't crash if convert_alt_hierarchy_char isn't set.

diff -r 2a49ba9789b1 -r baf570ca608b src/plugins/convert/convert-plugin.c
--- a/src/plugins/convert/convert-plugin.c	Sat Nov 03 17:57:46 2007 +0200
+++ b/src/plugins/convert/convert-plugin.c	Sat Nov 03 18:40:40 2007 +0200
@@ -33,7 +33,7 @@
 	set.skip_dotdirs = getenv("CONVERT_SKIP_DOTDIRS") != NULL;
 
 	str = getenv("CONVERT_ALT_HIERARCHY_CHAR");
-	set.alt_hierarchy_char = *str != '\0' ? *str : '_';
+	set.alt_hierarchy_char = str != NULL && *str != '\0' ? *str : '_';
 
 	if (convert_storage(convert_mail, mail, &set) < 0)
 		exit(FATAL_DEFAULT);