Silence Clang warning.

Clang warns about bitwise operators on bools.  Cast to int silences
the warning without introducing short circut logic.

Change-Id: I6e25138e1acf4a5562d3925ea5b2fcef3addb783


[ROCm/ROCR-Runtime commit: 4b0c94cfe8]

projects/rocr-runtime/runtime/hsa-runtime/core/inc/queue.h

@@ -73,7 +73,7 @@ struct AqlPacket {
   }
 
   bool IsValid() const {
-    return (type() <= HSA_PACKET_TYPE_BARRIER_OR) & (type() != HSA_PACKET_TYPE_INVALID);
+    return int(type() <= HSA_PACKET_TYPE_BARRIER_OR) & (type() != HSA_PACKET_TYPE_INVALID);
   }
 
   std::string string() const {