Updating changelog

Docs/manual.texi:
  Changelog
sql/gen_lex_hash.cc:
  Better hash values

Docs/manual.texi

@@ -28039,6 +28039,10 @@ slower on Linux.  Note that you still can use a dynamic linked
 @strong{MySQL} library. It is only the server that is critical for
 performance.
 
+@item
+If you strip your @code{mysqld} binary with @code{strip libexec/mysqld},
+the resulting binary can be up to 4 % faster.
+
 @item
 If you connect using TCP/IP rather than Unix sockets, the result is 7.5%
 slower on the same computer. (If you are connection to @code{localhost},
@@ -42403,6 +42407,9 @@ not yet 100 % confident in this code.
 Fixed that one can't use database names with @code{.}.  This fixes a serious
 security issue when @code{mysqld} is run as root.
 @item
+Fixed bug when thread creation failed (could happen when doing a LOT
+of connections in a short time).
+@item
 Don't free the key cache on @code{FLUSH TABLES} as this will cause problems
 with temporary tables.
 @item

sql/gen_lex_hash.cc

@@ -472,7 +472,7 @@ int main(int argc,char **argv)
   int error;
 
   MY_INIT(argv[0]);
-  start_value=6871391L; best_t1=1779313L;  best_t2=5719807L;  best_type=3; /* mode=4987  add=5  type: 0 */
+  start_value=4997167L;  best_t1=4533271L;  best_t2=7512314L;  best_type=4;
   if (get_options(argc,(char **) argv))
     exit(1);