Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/compiler/dex/quick/arm/target_arm.cc b/compiler/dex/quick/arm/target_arm.cc
index 5296f30..6f37798 100644
--- a/compiler/dex/quick/arm/target_arm.cc
+++ b/compiler/dex/quick/arm/target_arm.cc
@@ -553,7 +553,7 @@
   // Keep special registers from being allocated
   for (int i = 0; i < num_reserved; i++) {
     if (NO_SUSPEND && (ReservedRegs[i] == rARM_SUSPEND)) {
-      //To measure cost of suspend check
+      // To measure cost of suspend check
       continue;
     }
     MarkInUse(ReservedRegs[i]);