Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/compiler/dex/quick/mips/utility_mips.cc b/compiler/dex/quick/mips/utility_mips.cc
index 79f6f16..68b26f1 100644
--- a/compiler/dex/quick/mips/utility_mips.cc
+++ b/compiler/dex/quick/mips/utility_mips.cc
@@ -63,7 +63,7 @@
 }
 
 bool MipsMir2Lir::InexpensiveConstantDouble(int64_t value) {
-  return false; // TUNING
+  return false;  // TUNING
 }
 
 /*