Fixing whitespace problems

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111758 91177308-0d34-0410-b5e6-96231b3b80d8

test/input.output/string.streams/istringstream/istringstream.assign/move.pass.cpp

@@ -46,5 +46,5 @@ int main()
         ss >> i;
         assert(i == 456);
     }
-#endif
+#endif  // _LIBCPP_MOVE
 }

test/input.output/string.streams/istringstream/istringstream.assign/nonmember_swap.pass.cpp

@@ -12,7 +12,7 @@
 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
 // class basic_istringstream
 
-// template <class charT, class traits, class Allocator> 
+// template <class charT, class traits, class Allocator>
 //   void
 //   swap(basic_istringstream<charT, traits, Allocator>& x,
 //        basic_istringstream<charT, traits, Allocator>& y);

test/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp

@@ -44,5 +44,5 @@ int main()
         ss >> i;
         assert(i == 456);
     }
-#endif
+#endif  // _LIBCPP_MOVE
 }

test/input.output/string.streams/istringstream/istringstream.cons/string.pass.cpp

@@ -12,7 +12,7 @@
 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
 // class basic_istringstream
 
-// explicit basic_istringstream(const basic_string<charT,traits,allocator>& str, 
+// explicit basic_istringstream(const basic_string<charT,traits,allocator>& str,
 //                              ios_base::openmode which = ios_base::in);
 
 #include <sstream>