that affected the UCS2 character set. (Bug #7350)


innobase/data/data0type.c:
  Added dtype_get_charset_coll_noninline()
innobase/include/data0type.h:
  Added dtype_get_charset_coll_noninline()
innobase/include/row0mysql.h:
  Added charset field to mysql_row_templ_struct.
innobase/include/row0mysql.ic:
  row_mysql_store_col_in_innobase_format():
  When removing trailing spaces, treat the UCS2 character set properly.
innobase/rem/rem0cmp.c:
  cmp_whole_field(): Do not remove trailing 0x20 bytes, as
  innobase_mysql_cmp() implicitly pads the strings with trailing
  spaces as necessary.
innobase/row/row0sel.c:
  row_sel_field_store_in_mysql_format(): Do not pad with 0x20 bytes.
  row_sel_store_mysql_rec(): Pad VARCHARs with trailing spaces
  (0x20, or 0x0020 in UCS2).
sql/ha_innodb.cc:
  build_template(): Initialize templ->charset