Fix cpplint's whitespace warnings.

Change-Id: I16b69d773e59b49e8e30227b5aa5cb1959a8930f
diff --git a/src/dex_file.h b/src/dex_file.h
index 453b7c2..f41040e 100644
--- a/src/dex_file.h
+++ b/src/dex_file.h
@@ -300,7 +300,7 @@
   struct Field {
     uint32_t field_idx_;  // index into the field_ids list for the identity of this field
     uint32_t access_flags_;  // access flags for the field
-    Field() {};
+    Field() {}
    private:
     DISALLOW_COPY_AND_ASSIGN(Field);
   };
@@ -310,7 +310,7 @@
     uint32_t method_idx_;
     uint32_t access_flags_;
     uint32_t code_off_;
-    Method() {};
+    Method() {}
    private:
     DISALLOW_COPY_AND_ASSIGN(Method);
   };