configure.in:
  Use smarter autoconf help macro.
sql/set_var.cc:
  Make a local variable static.
sql/sql_lex.cc:
  Don't include CPP condition where it saves little time and decreases legibility.
sql/sql_parse.cc:
  Use the name of the query in the error, instead of describing the feature.
sql/sql_profile.cc:
  Update copyright.
  
  Make I_S schema table columns uppercase.
sql/sql_profile.h:
  Update copyright.
sql/sql_select.cc:
  Chagne tab indentation to spaces.