Applied patch by Boszormenyi Zoltan <zb@cybertec.at> to add sqlda support to

src/interfaces/ecpg/ecpglib/Makefile

src/interfaces/ecpg/ecpglib/execute.c

src/interfaces/ecpg/ecpglib/extern.h

src/interfaces/ecpg/ecpglib/sqlda.c

src/interfaces/ecpg/ecpglib/typename.c

src/interfaces/ecpg/include/Makefile

src/interfaces/ecpg/include/ecpgtype.h

src/interfaces/ecpg/include/sqlda-compat.h

src/interfaces/ecpg/include/sqlda-native.h

src/interfaces/ecpg/include/sqlda.h

src/interfaces/ecpg/include/sqltypes.h

src/interfaces/ecpg/preproc/descriptor.c

src/interfaces/ecpg/preproc/ecpg.addons

src/interfaces/ecpg/preproc/ecpg.trailer

src/interfaces/ecpg/preproc/ecpg.type

src/interfaces/ecpg/preproc/extern.h

src/interfaces/ecpg/preproc/type.c

src/interfaces/ecpg/test/compat_informix/Makefile

src/interfaces/ecpg/test/compat_informix/sqlda.pgc

src/interfaces/ecpg/test/ecpg_schedule