[or-cvs] Fix crash when looking for ~/.torrc with no $HOME set

[Nick Mathewson]

Update of /home/or/cvsroot/src/or
In directory moria.mit.edu:/tmp/cvs-serv29100/src/or

Modified Files:
	config.c 
Log Message:
Fix crash when looking for ~/.torrc with no $HOME set

Index: config.c
===================================================================
RCS file: /home/or/cvsroot/src/or/config.c,v
retrieving revision 1.138
retrieving revision 1.139
diff -u -d -r1.138 -r1.139
--- config.c	17 Aug 2004 06:27:32 -0000	1.138
+++ config.c	17 Aug 2004 07:33:06 -0000	1.139
@@ -669,7 +669,7 @@
     using_default_torrc = 1;
   } else {
     char *fn = expand_filename("~/.torrc");
-    if (file_status(fn)==FN_FILE) {
+    if (fn && file_status(fn)==FN_FILE) {
       fname = fn;
     } else {
       tor_free(fn);