Preserve reason strings in automatically build tables.

ssl/ssl_err.c

diff --git a/ssl/ssl_err.c b/ssl/ssl_err.c
index 5618e34..1ffee87 100644
--- a/ssl/ssl_err.c
+++ b/ssl/ssl_err.c
@@ -54,7 +54,8 @@
  */
 
 /* NOTE: this file was auto generated by the mkerr.pl script: any changes
- * made to it will be overwritten when the script next updates this file.
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
  */
 
 #include <stdio.h>