Fix cpplint whitespace/parens issues

Change-Id: Ifc678d59a8bed24ffddde5a0e543620b17b0aba9
diff --git a/runtime/trace.cc b/runtime/trace.cc
index 3293290..2227b8d 100644
--- a/runtime/trace.cc
+++ b/runtime/trace.cc
@@ -230,7 +230,7 @@
   // Create Trace object.
   {
     MutexLock mu(self, *Locks::trace_lock_);
-    if(the_trace_ != NULL) {
+    if (the_trace_ != NULL) {
       LOG(ERROR) << "Trace already in progress, ignoring this request";
     } else {
       the_trace_ = new Trace(trace_file.release(), buffer_size, flags);