[gnumeric] Stf: another potential crasher.

[Morten Welinder <mortenw src gnome org>]

commit 81af9403263242f99f7ecd02256dc4cedd4726cc
Author: Morten Welinder <terra gnome org>
Date:   Wed Jan 16 09:10:03 2013 -0500

    Stf: another potential crasher.
    
    In debug code, so no big deal.

 src/stf-parse.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/stf-parse.c b/src/stf-parse.c
index 7c7b16e..8206d08 100644
--- a/src/stf-parse.c
+++ b/src/stf-parse.c
@@ -1505,7 +1505,8 @@ dump_guessed_options (const StfParseOptions_t *res)
 	switch (res->parsetype) {
 	case PARSE_TYPE_CSV:
 		g_printerr ("  type = sep\n");
-		g_printerr ("  separator = %s\n", res->sep.chr);
+		g_printerr ("  separator = %s\n",
+			    res->sep.chr ? res->sep.chr : "(none)");
 		g_printerr ("    see two as one = %s\n",
 			    res->sep.duplicates ? "yes" : "no");
 		break;