Added dynamic cursor names to ecpg. Almost the whole patch was done by

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/parse.pl

src/interfaces/ecpg/preproc/variable.c

src/interfaces/ecpg/test/ecpg_schedule

src/interfaces/ecpg/test/ecpg_schedule_tcp

src/interfaces/ecpg/test/preproc/Makefile