Fix cpplint readability/braces issues

Change-Id: I56b88956510077b0e13aad4caee8898313fab55b
diff --git a/compiler/dex/dex_to_dex_compiler.cc b/compiler/dex/dex_to_dex_compiler.cc
index ee68a5d..ab27838 100644
--- a/compiler/dex/dex_to_dex_compiler.cc
+++ b/compiler/dex/dex_to_dex_compiler.cc
@@ -38,9 +38,9 @@
   DexCompiler(art::CompilerDriver& compiler,
               const DexCompilationUnit& unit)
     : driver_(compiler),
-      unit_(unit) {};
+      unit_(unit) {}
 
-  ~DexCompiler() {};
+  ~DexCompiler() {}
 
   void Compile();