Fix cpplint whitespace/indent issues

Change-Id: I7c1647f0c39e1e065ca5820f9b79998691ba40b1
diff --git a/test/ReferenceMap/stack_walk_refmap_jni.cc b/test/ReferenceMap/stack_walk_refmap_jni.cc
index ccdbffd..7b6483d 100644
--- a/test/ReferenceMap/stack_walk_refmap_jni.cc
+++ b/test/ReferenceMap/stack_walk_refmap_jni.cc
@@ -33,8 +33,8 @@
 namespace art {
 
 #define IS_IN_REF_BITMAP(mh, ref_bitmap, reg) \
-  (((reg) < mh.GetCodeItem()->registers_size_) && \
-   ((*((ref_bitmap) + (reg)/8) >> ((reg) % 8) ) & 0x01))
+    (((reg) < mh.GetCodeItem()->registers_size_) && \
+     ((*((ref_bitmap) + (reg)/8) >> ((reg) % 8) ) & 0x01))
 
 #define CHECK_REGS_CONTAIN_REFS(...)     \
   do {                                   \