Remove trailing whitespace in test suite. Approved by Marshall Clow.

llvm-svn: 271435
diff --git a/libcxx/test/std/utilities/function.objects/logical.operations/transparent.pass.cpp b/libcxx/test/std/utilities/function.objects/logical.operations/transparent.pass.cpp
index 77177b1..00e513e 100644
--- a/libcxx/test/std/utilities/function.objects/logical.operations/transparent.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/logical.operations/transparent.pass.cpp
@@ -39,6 +39,6 @@
     static_assert ( !is_transparent<std::logical_not<std::string>>::value, "" );
     static_assert (  is_transparent<std::logical_not<void>>::value, "" );
     static_assert (  is_transparent<std::logical_not<>>::value, "" );
-    
+
     return 0;
 }