Fix wrong format specifier in error messages.

Not to be pushed into 5.0 as there it's fixed differently (in the new
format of error messages)


sql/share/danish/errmsg.txt:
  Fix wrong format specifier in an error message.
sql/share/serbian/errmsg.txt:
  Fix wrong format specifier in an error message.

sql/share/danish/errmsg.txt

@@ -262,7 +262,7 @@ character-set=latin1
 "Key reference and table reference don't match",
 "Operand should contain %d column(s)",
 "Subquery returns more than 1 row",
-"Unknown prepared statement handler (%ld) given to %s",
+"Unknown prepared statement handler (%.*s) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
 "Converting column '%s' from %s to %s",

sql/share/serbian/errmsg.txt

@@ -252,7 +252,7 @@ character-set=cp1250
 "Key reference and table reference don't match",
 "Operand should contain %d column(s)",
 "Subquery returns more than 1 row",
-"Unknown prepared statement handler (%ld) given to %s",
+"Unknown prepared statement handler (%.*s) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
 "Converting column '%s' from %s to %s",