Fixing cpplint readability/casting issues

Change-Id: I6821da0e23737995a9b884a04e9b63fac640cd05
diff --git a/runtime/instrumentation.cc b/runtime/instrumentation.cc
index 8598d6d..bbd2052 100644
--- a/runtime/instrumentation.cc
+++ b/runtime/instrumentation.cc
@@ -473,7 +473,7 @@
   size_t frame_id = StackVisitor::ComputeNumFrames(self);
   std::deque<instrumentation::InstrumentationStackFrame>* stack = self->GetInstrumentationStack();
   if (kVerboseInstrumentation) {
-    LOG(INFO) << "Entering " << PrettyMethod(method) << " from PC " << (void*)lr;
+    LOG(INFO) << "Entering " << PrettyMethod(method) << " from PC " << reinterpret_cast<void*>(lr);
   }
   instrumentation::InstrumentationStackFrame instrumentation_frame(this_object, method, lr,
                                                                    frame_id, interpreter_entry);
@@ -530,7 +530,8 @@
         (static_cast<uint64_t>(*return_pc) << 32);
   } else {
     if (kVerboseInstrumentation) {
-      LOG(INFO) << "Returning from " << PrettyMethod(method) << " to PC " << (void*)(*return_pc);
+      LOG(INFO) << "Returning from " << PrettyMethod(method)
+                << " to PC " << reinterpret_cast<void*>(*return_pc);
     }
     return *return_pc;
   }