[libcxx] [test] D27027: Strip trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@287829 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/diagnostics/syserr/is_error_code_enum.pass.cpp

@@ -39,7 +39,7 @@ namespace std
   struct is_error_code_enum<A> : public std::true_type {};
 }
 
-	
+
 int main()
 {
     test<false, void>();