Implement 64MB memory limit for test to ensure that it fails reliably in
600 seconds; it would previously fail inconsistently when run in some virtual
machine configurations

This patch might need to be reverted or revisited later (see the attached PR
for more details)

PR: 169302

Submitted by: pho
Sponsored by: EMC / Isilon Storage Division
Fix compilation errors with missing wide-type headers and fix compilation
warnings with -Wformat

In collaboration with: pho
Sponsored by: EMC / Isilon Storage Division
- Add libutil #include for fparseln
- Change ATF_REQUIRE_EQ_MSG to ATF_CHECK_EQ_MSG to gather all failing results
  possible (currently 12 with leftassoc)
- Mark leftassoc "atf_tc_expect_fail" on FreeBSD (PR coming soon after further
  analysis is done on the code)

In collaboration with: pho
Sponsored by: EMC / Isilon Storage Division