pgsql: Make ecpg test variable 'times' static so as not to conflict with

Log Message:
-----------
Make ecpg test variable 'times' static so as not to conflict with libc
symbol.

Modified Files:
--------------
pgsql/src/interfaces/ecpg/test/pgtypeslib:
dt_test2.pgc (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/pgtypeslib/dt_test2.pgc.diff?r1=1.4&r2=1.5)