Fixing whitespace problems

llvm-svn: 111753
diff --git a/libcxx/test/algorithms/alg.modifying.operations/alg.copy/copy.pass.cpp b/libcxx/test/algorithms/alg.modifying.operations/alg.copy/copy.pass.cpp
index d61a461..41b5ab9 100644
--- a/libcxx/test/algorithms/alg.modifying.operations/alg.copy/copy.pass.cpp
+++ b/libcxx/test/algorithms/alg.modifying.operations/alg.copy/copy.pass.cpp
@@ -9,7 +9,7 @@
 
 // <algorithm>
 
-// template<InputIterator InIter, OutputIterator<auto, InIter::reference> OutIter> 
+// template<InputIterator InIter, OutputIterator<auto, InIter::reference> OutIter>
 //   OutIter
 //   copy(InIter first, InIter last, OutIter result);