SWDEV-488306 - Fix memleak for NoGpuTst_hipHostRegister

Change-Id: I919d7f24c1c9bdc9902c5b5cbd7068e8cd48d5ec

catch/multiproc/hipNoGpuTsts.cc

@@ -525,6 +525,7 @@ static bool NoGpuTst_hipHostRegister() {
   } else {
     WARN("Error Code Returned by hipHostRegister: " <<hipGetErrorName(err));
   }
+  free(hostPtr);
   return passed;
 }