Remove Benchmark.h dependency in SpookyHash tests

Summary: It would seem the folly/Benchmark.h dependency was to pull in glog/logging.h. Include what you use.

Reviewed By: yfeldblum

Differential Revision: D3857112

fbshipit-source-id: 8d5bd105e10eee8f5b6e5d377d58ae84d908ed57

folly/test/SpookyHashV1Test.cpp

@@ -21,7 +21,6 @@
 #endif
 
 #include <folly/SpookyHashV1.h>
-#include <folly/Benchmark.h>
 #include <folly/portability/GTest.h>
 
 #include <cinttypes>
@@ -31,6 +30,8 @@
 #include <cstdlib>
 #include <ctime>
 
+#include <glog/logging.h>
+
 using namespace ::folly::hash;
 
 static bool failed = false;

folly/test/SpookyHashV2Test.cpp

@@ -21,7 +21,6 @@
 #endif
 
 #include <folly/SpookyHashV2.h>
-#include <folly/Benchmark.h>
 #include <folly/portability/GTest.h>
 
 #include <cinttypes>
@@ -31,6 +30,8 @@
 #include <cstdlib>
 #include <ctime>
 
+#include <glog/logging.h>
+
 using namespace ::folly::hash;
 
 static bool failed = false;