removed several cases of default_charset_info use

a bit more ucs2 compatibility 

1 files changed, 2 insertions, 2 deletions

diff --git a/sql/hostname.cc b/sql/hostname.cc
index 609532a67d6..0c86c3305b7 100644
--- a/sql/hostname.cc
+++ b/sql/hostname.cc
@@ -221,10 +221,10 @@ my_string ip_to_hostname(struct in_addr *in, uint *errors)
 
   /* Don't accept hostnames that starts with digits because they may be
      false ip:s */
-  if (my_isdigit(system_charset_info,name[0]))
+  if (my_isdigit(my_charset_latin1,name[0]))
   {
     char *pos;
-    for (pos= name+1 ; my_isdigit(system_charset_info,*pos); pos++) ;
+    for (pos= name+1 ; my_isdigit(my_charset_latin1,*pos); pos++) ;
     if (*pos == '.')
     {
       DBUG_PRINT("error",("mysqld doesn't accept hostnames that starts with a number followed by a '.'"));