Change formats, as suggested by Duraid


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18150 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/NightlyTest.gnuplot b/utils/NightlyTest.gnuplot
index ebb420e..e24c506 100644
--- a/utils/NightlyTest.gnuplot
+++ b/utils/NightlyTest.gnuplot
@@ -5,7 +5,7 @@
 set xlabel "Date" 
 set ylabel "Lines of Code"
 set xdata time
-set timefmt "%Y-%m-%d:"
+set timefmt "%Y-%m-%d-%H:%M:%S:"
 set format x "%b %d, %Y"
 
 ## Various labels for the graph