[parrot/parrot] 2ab0c6: [test] fix rounding of benchmarks seconds

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/parrot/parrot
  Commit: 2ab0c66420f9ea0723959500e4b4b41542946309
      https://github.com/parrot/parrot/commit/2ab0c66420f9ea0723959500e4b4b41542946309
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2014-03-20 (Thu, 20 Mar 2014)

  Changed paths:
    M t/benchmark/benchmarks.t

  Log Message:
  -----------
  [test] fix rounding of benchmarks seconds

some OS have no hires timings on benchmarks.
thus not all floats are printed with a ., esp. on cygwin.
GH #1066.

see http://perl514.cpanel.net/build/builders/parrot-cygwin/builds/41/steps/shell_2/logs/stdio
"0 seconds. 4000 lops/sec"