Minor fixes to compile on unix for v6-40-0002

src/interfaces/odbc/execute.c

src/interfaces/odbc/misc.h

src/interfaces/odbc/options.c

src/interfaces/odbc/qresult.c

src/interfaces/odbc/qresult.h

src/interfaces/odbc/results.c

src/interfaces/odbc/statement.c

src/interfaces/odbc/statement.h