Remove an extraneous blank

Change-Id: Id089741300b549b2afe6d591d78f5fe3fdda6c43

examples/nist.cc

diff --git a/examples/nist.cc b/examples/nist.cc
index f95b4a3..7968104 100644
--- a/examples/nist.cc
+++ b/examples/nist.cc
@@ -666,7 +666,6 @@
   hard_success += RegressionDriver<BoxBOD, 2>("BoxBOD.dat");
   hard_success += RegressionDriver<Rat42, 3>("Rat42.dat");
   hard_success += RegressionDriver<MGH10, 3>("MGH10.dat");
-
   hard_success += RegressionDriver<Eckerle4, 3>("Eckerle4.dat");
   hard_success += RegressionDriver<Rat43, 4>("Rat43.dat");
   hard_success += RegressionDriver<Bennet5, 3>("Bennett5.dat");