Rename PcToReferenceMap adding Dex.

Change-Id: I21ebfe9ac7fd8a627299f1f721eb4b11c87642dc
diff --git a/test/StackWalk/stack_walk_jni.cc b/test/StackWalk/stack_walk_jni.cc
index 444eaed..5fdb92f 100644
--- a/test/StackWalk/stack_walk_jni.cc
+++ b/test/StackWalk/stack_walk_jni.cc
@@ -58,7 +58,7 @@
     }
     const uint8_t* reg_bitmap = NULL;
     if (!IsShadowFrame()) {
-      verifier::PcToReferenceMap map(m->GetGcMap(), m->GetGcMapLength());
+      verifier::DexPcToReferenceMap map(m->GetGcMap(), m->GetGcMapLength());
       reg_bitmap = map.FindBitMap(GetDexPc());
     }
     MethodHelper mh(m);