Force the "fmt" argument of val_to_str() to be non-null. Change the 9P

dissector to use a non-null format.  Fixes bug 70.

Fix the line endings in the 9P dissector, and set its SVN properties.

svn path=/trunk/; revision=14127

epan/value_string.c

@@ -44,6 +44,8 @@ val_to_str(guint32 val, const value_string *vs, const char *fmt) {
   static gchar  str[3][64];
   static gchar *cur;
 
+  g_assert(fmt != NULL);
+
   ret = match_strval(val, vs);
   if (ret != NULL)
     return ret;