message: Fix variable shadowing in test/util_tests.cpp
  test/util_tests.cpp:110:58: warning: declaration shadows a variable in namespace 'util_tests' [-Wshadow]
  void ThreadCorralTest(CThreadCorral *c, int region, int *readVal, int setVal)
  ^
  test/util_tests.cpp:49:21: note: previous declaration is here
  static volatile int readVal = 0;
diff: @@ -107,10 +107,10 @@ BOOST_AUTO_TEST_CASE(util_sharedcriticalsection)
  }
  -void ThreadCorralTest(CThreadCorral *c, int region, int *readVal, int setVal)
  +void ThreadCorralTest(CThreadCorral *c, int region, int *pReadVal, int setVal)
  {
  CORRAL(*c, region);
  - *readVal = critVal;
  + *pReadVal = critVal;
  if (setVal != 0)
  critVal = setVal;
  }
  