jones-ndb build failure with current mysql-trunk

[jdduncan]

Possibly due to "include what you use" changes:

In file included from ../impl/src/ndb/EncoderCharset.cpp:32:
In file included from /Users/jdd/git-work-trees/installed/mysql-trunk/include/my_sys.h:24:
/Users/jdd/git-work-trees/installed/mysql-trunk/include/m_ctype.h:418:3: error: typedef redefinition with
      different types ('struct charset_info_st' vs 'CHARSET_INFO')
} CHARSET_INFO;
  ^
/Users/jdd/git-work-trees/installed/mysql-trunk/include/mysql.h:298:10: note: previous definition is here
  struct CHARSET_INFO *charset;