of SELECT from query begining, to be independet of query buffer
allocation.
Correct procedure used to find beginning of the current statement
during parsing (BUG#14885).


mysql-test/r/view.result:
  BUG#14885 test suite.
mysql-test/t/view.test:
  BUG#14885 test suite.
sql/sp_head.cc:
  The debug print statement fixed to prevent crash in case of NULL
  in m_next_cached_sp.
sql/sql_lex.h:
  Now we shall store only position (index of first character)
  of SELECT from query beginning.
sql/sql_view.cc:
  Position of the SELECT used to output it to .frm.
sql/sql_yacc.yy:
  Now we shall store only position (index of first character)
  of SELECT from query beginning.
  Correct procedure used to find beginning of the current statement
  during parsing.