Manual fix of the version number when merging the cloned tree.

configure.in:
  Merge of the cloned tree (for its tag and other fix/es) inclueded the reset
  of the version number, this must again be undone in the general tree:
  5.1.8-beta is the current version!

configure.in

@@ -7,7 +7,7 @@ AC_INIT(sql/mysqld.cc)
 AC_CANONICAL_SYSTEM
 # The Docs Makefile.am parses this line!
 # remember to also change ndb version below and update version.c in ndb
-AM_INIT_AUTOMAKE(mysql, 5.1.7-beta)
+AM_INIT_AUTOMAKE(mysql, 5.1.8-beta)
 AM_CONFIG_HEADER(config.h)
 
 PROTOCOL_VERSION=10