Log Message:-----------Fix 'make clean' for change of regression.diffs file name.
Modified Files:-------------- pgsql/src/interfaces/ecpg/test: Makefile (r1.56 -> r1.57) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/Makefile.diff?r1=1.56&r2=1.57)
