- Remove warning on not used tabtyp variable in connect_assisted_discovery

modified:   storage/connect/ha_connect.cc

- Fix a bug causing CONNECT to loop when expanding a JSON column
  when the expanded column value is null or void array.
- Adding the FullArray option to JSON tables.
- Skipping expanded JSON lines when the expanded column value is null.
  modified:   storage/connect/connect.cc
  modified:   storage/connect/tabdos.h
  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/tabjson.h

- Fix MDEV-13353 No file privilege for ODBC, JDBC, MONGO, MAC, WMI file types.
  modified:   storage/connect/ha_connect.cc

- Make some Json UDFs  to accept a non JSON item as 1st parameter.
  modified:   storage/connect/json.cpp
  modified:   storage/connect/json.h
  modified:   storage/connect/jsonudf.cpp
  modified:   storage/connect/jsonudf.h

- Update Json UDF tests to cope with above changes.
  modified:   storage/connect/mysql-test/connect/r/json_udf.result
  modified:   storage/connect/mysql-test/connect/r/json_udf_bin.result
  modified:   storage/connect/mysql-test/connect/r/vcol.result
  modified:   storage/connect/mysql-test/connect/t/json_udf.test
  modified:   storage/connect/mysql-test/connect/t/vcol.test

- Fix some compiler warning treated as error
  PlugSubAlloc no more exported because it does throw.
  modified:   storage/connect/global.h
  modified:   storage/connect/ha_connect.cc
  modified:   storage/connect/jsonudf.cpp
  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/tabjson.h

- Other files modified (?) when going back to wrong merge
  modified:   storage/connect/CMakeLists.txt
  modified:   storage/connect/array.cpp
  modified:   storage/connect/colblk.cpp
  modified:   storage/connect/connect.cc
  modified:   storage/connect/csort.cpp
  modified:   storage/connect/domdoc.cpp
  modified:   storage/connect/filamap.cpp
  modified:   storage/connect/filamgz.cpp
  modified:   storage/connect/filamtxt.cpp
  modified:   storage/connect/filamzip.cpp
  modified:   storage/connect/filter.cpp
  modified:   storage/connect/fmdlex.c
  modified:   storage/connect/jdbconn.cpp
  modified:   storage/connect/macutil.cpp
  modified:   storage/connect/myconn.cpp
  modified:   storage/connect/odbconn.cpp
  modified:   storage/connect/plgdbutl.cpp
  modified:   storage/connect/plugutil.cpp
  modified:   storage/connect/preparse.h
  modified:   storage/connect/rcmsg.c
  modified:   storage/connect/rcmsg.h
  modified:   storage/connect/reldef.cpp
  modified:   storage/connect/tabdos.cpp
  modified:   storage/connect/tabfmt.cpp
  modified:   storage/connect/tabmac.cpp
  modified:   storage/connect/tabmul.cpp
  modified:   storage/connect/tabmysql.cpp
  modified:   storage/connect/tabmysql.h
  modified:   storage/connect/tabodbc.cpp
  modified:   storage/connect/tabtbl.cpp
  modified:   storage/connect/tabxml.cpp
  modified:   storage/connect/value.cpp
  modified:   storage/connect/xobject.cpp

storage/connect/tabxml.cpp

@@ -1319,7 +1319,7 @@ void TDBXML::CloseDB(PGLOBAL g)
         Docp->CloseDoc(g, To_Xb);
 
         // This causes a crash in Diagnostics_area::set_error_status
-//			throw (int)TYPE_AM_XML;
+//				throw (int)TYPE_AM_XML;
 			} // endif DumpDoc
       
       } // endif Changed