xlogviewer - xlogdump: conditional for XLOG_HEAP_INPLACE and

Log Message:
-----------
conditional for XLOG_HEAP_INPLACE and assert_enabled

Modified Files:
--------------
xlogdump:
xlogdump (r1.14 -> r1.15)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/xlogviewer/xlogdump/xlogdump.diff?r1=1.14&r2=1.15)
xlogdump.c (r1.12 -> r1.13)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/xlogviewer/xlogdump/xlogdump.c.diff?r1=1.12&r2=1.13)