innobase/dict/dict0dict.c:
  Make dict_is_mixed_table_rec() a non-inlined function.
innobase/include/dict0dict.h:
  Make dict_is_mixed_table_rec() a non-inlined function.
  Remove dict_index_rec_get_sys_col().
innobase/include/dict0dict.ic:
  Make dict_is_mixed_table_rec() a non-inlined function.
  Remove dict_index_rec_get_sys_col().
innobase/trx/trx0rec.c:
  Replace the two calls to the removed
  function dict_index_rec_get_sys_col() with equivalent code.