Use NAMES_SEP_CHAR also for enums (Fix for supportwizard)

sql/unireg.cc:
  Use NAMES_SEP_CHAR also for enums
sql/unireg.h:
  cleanup

sql/unireg.cc

@@ -486,11 +486,11 @@ static bool pack_fields(File file,List<create_field> &create_fields)
       if (field->interval_id > int_count)
       {
 	int_count=field->interval_id;
-	tmp.append('\377');
+	tmp.append(NAMES_SEP_CHAR);
 	for (const char **pos=field->interval->type_names ; *pos ; pos++)
 	{
 	  tmp.append(*pos);
-	  tmp.append('\377');
+	  tmp.append(NAMES_SEP_CHAR);
 	}
 	tmp.append('\0');			// End of intervall
       }

sql/unireg.h

@@ -70,11 +70,6 @@
 #define FERR		-1			/* Error from my_functions */
 #define CREATE_MODE	0			/* Default mode on new files */
 #define NAMES_SEP_CHAR	'\377'			/* Char to sep. names */
-#ifdef MSDOS
-#define EXTRA_FIELD_CHAR (char) '\234'		/* Interchangebly with '#' */
-#else
-#define EXTRA_FIELD_CHAR '#'			/* Interchangebly with '#' */
-#endif
 
 #define READ_RECORD_BUFFER	(uint) (IO_SIZE*8) /* Pointer_buffer_size */
 #define DISK_BUFFER_SIZE	(uint) (IO_SIZE*16) /* Size of diskbuffer */