Rev'd to 5.1.4 to show results differernce

The following commits change results very huge,
but use the same version number in some test result.
More and more people use this version which not
release for likely riscv arch,and post it to ther Internet.
Simplely change the version ,we can compare results
 not confused.

commit 81e9de5  ("fstime.c - Seperate r/w files for each parallel")
and commit fb4521c  ("
Allocate unique fd for each parallel to avoid unexpected syscall test")

Signed-off-by: Wentao Guan <[email protected]>

UnixBench/Run

@@ -65,7 +65,7 @@ use FindBin;
 ############################################################################
 
 # Version number of the script.
-my $version = "5.1.3";
+my $version = "5.1.4";
 
 # The setting of LANG makes a huge difference to some of the scores,
 # particularly depending on whether UTF-8 is used.  So we always set