Cleanup of source.

src/interfaces/libpq/fe-misc.c

src/interfaces/odbc/convert.c

src/interfaces/odbc/dlg_specific.c

src/interfaces/odbc/drvconn.c

src/interfaces/odbc/execute.c

src/interfaces/odbc/info.c

src/interfaces/odbc/isql.h

src/interfaces/odbc/options.c

src/interfaces/odbc/qresult.c

src/interfaces/odbc/resource.h

src/interfaces/odbc/setup.c

src/interfaces/odbc/socket.c

src/interfaces/odbc/statement.c

src/interfaces/odbc/tuplelist.c