Preserve reason strings in automatically build tables.
diff --git a/crypto/buffer/buf_err.c b/crypto/buffer/buf_err.c
index 7f9fd1f..2f971a5 100644
--- a/crypto/buffer/buf_err.c
+++ b/crypto/buffer/buf_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>