Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/runtime/reflection.cc b/runtime/reflection.cc
index 359b539..8e478ff 100644
--- a/runtime/reflection.cc
+++ b/runtime/reflection.cc
@@ -270,7 +270,7 @@
 static std::string UnboxingFailureKind(mirror::AbstractMethod* m, int index, mirror::Field* f)
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
   if (m != NULL && index != -1) {
-    ++index; // Humans count from 1.
+    ++index;  // Humans count from 1.
     return StringPrintf("method %s argument %d", PrettyMethod(m, false).c_str(), index);
   }
   if (f != NULL) {