Fixing whitespace problems

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111765 91177308-0d34-0410-b5e6-96231b3b80d8

test/thread/thread.threads/thread.thread.class/thread.thread.assign/move.pass.cpp

@@ -78,5 +78,5 @@ int main()
         t0 = std::move(t1);
         assert(false);
     }
-#endif
+#endif  // _LIBCPP_MOVE
 }

test/thread/thread.threads/thread.thread.class/thread.thread.constr/F.pass.cpp

@@ -126,5 +126,5 @@ int main()
         assert(G::n_alive == 0);
         assert(G::op_run);
     }
-#endif
+#endif  // _LIBCPP_HAS_NO_VARIADICS
 }

test/thread/thread.threads/thread.thread.class/thread.thread.constr/move.pass.cpp

@@ -64,5 +64,5 @@ int main()
         assert(G::n_alive == 0);
         assert(G::op_run);
     }
-#endif
+#endif  // _LIBCPP_MOVE
 }

test/thread/thread.threads/thread.thread.class/thread.thread.destr/dtor.pass.cpp

@@ -18,7 +18,6 @@
 #include <cstdlib>
 #include <cassert>
 
-
 class G
 {
     int alive_;