Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/compiler/llvm/compiler_llvm.cc b/compiler/llvm/compiler_llvm.cc
index 4475b25..6b19a37 100644
--- a/compiler/llvm/compiler_llvm.cc
+++ b/compiler/llvm/compiler_llvm.cc
@@ -57,7 +57,7 @@
   llvm::llvm_start_multithreaded();
 
   // NOTE: Uncomment following line to show the time consumption of LLVM passes
-  //llvm::TimePassesIsEnabled = true;
+  // llvm::TimePassesIsEnabled = true;
 
   // Initialize LLVM target-specific options.
   art::llvm::InitialBackendOptions();
@@ -96,7 +96,7 @@
 // Two reasons: (1) the order of the destruction of static objects, or
 //              (2) dlopen/dlclose side-effect on static objects.
 
-} // anonymous namespace
+}  // anonymous namespace
 
 
 namespace art {
@@ -171,8 +171,8 @@
 }
 
 
-} // namespace llvm
-} // namespace art
+}  // namespace llvm
+}  // namespace art
 
 inline static art::llvm::CompilerLLVM* ContextOf(art::CompilerDriver& driver) {
   void *compiler_context = driver.GetCompilerContext();