SWDEV-390565 - ocltst test failing

Change-Id: I76a12878a1d3c029b771335eb23b129cac125517

opencl/tests/ocltst/module/perf/OCLPerfImageReadSpeed.cpp

@@ -213,6 +213,7 @@ void OCLPerfPinnedImageReadSpeed::open(unsigned int test, char *units,
   context_ = 0;
   cmd_queue_ = 0;
   outBuffer_ = 0;
+  inBuffer_ = 0;
   memptr = NULL;
   skip_ = false;