Added zone-inl.h to test-heap-profiler to fix test build failure after header...

Added zone-inl.h to test-heap-profiler to fix test build failure after header file refactoring in revision 4058. 
Review URL: http://codereview.chromium.org/698002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4059 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-heap-profiler.cc

@@ -8,6 +8,7 @@
 #include "heap-profiler.h"
 #include "string-stream.h"
 #include "cctest.h"
+#include "zone-inl.h"
 
 namespace i = v8::internal;
 using i::ClustersCoarser;