Changed some status variable names
Fix bug in GRANT ... PASSWORD string


Docs/manual.texi:
  Update of variable names
include/my_net.h:
  New my_gethostbyname_r() handling
include/my_pthread.h:
  New my_gethostbyname_r() handling
libmysql/Makefile.shared:
  New my_gethostbyname_r() handling
libmysql/libmysql.c:
  New my_gethostbyname_r() handling
mysys/Makefile.am:
  New my_gethostbyname_r() handling
mysys/my_pthread.c:
  New my_gethostbyname_r() handling
mysys/my_thr_init.c:
  New my_gethostbyname_r() handling
sql/hostname.cc:
  New my_gethostbyname_r() handling
sql/mini_client.cc:
  New my_gethostbyname_r() handling
sql/mysqld.cc:
  change some status variable names
sql/sql_acl.cc:
  Fix bug in GRANT ... PASSWORD string