sleepsecs( 1 ) may sleep less than 1 second

Wed Mar 3 18:12:39 going to run suite: basic
Wed Mar 3 18:12:40 dbtests/basictests.cpp:192 1 != t.seconds() Wed Mar 3 18:12:40 assertion: dbtests/basictests.cpp:192 1 != t.seconds() 1 != 0

Wed Mar 3 18:12:40 FAIL: BasicTests::sleeptest assertion: dbtests/basictests.cpp:192 1 != t.seconds() 1 != 0

Wed Mar 3 18:12:40 User Exception -1:

<http://buildbot.mongodb.org/builders/Linux%2032-bit/builds/385/steps/test/logs/stdio>