Fixed compile warning in reflection.cpp for ENABLE_HLSL = 0 build. [-Wunused-parameter]

glslang/MachineIndependent/reflection.cpp

@@ -1138,6 +1138,8 @@ void TReflection::buildCounterIndices(const TIntermediate& intermediate)
         if (index >= 0)
             indexToUniformBlock[i].counterIndex = index;
     }
+#else
+    (void)intermediate;
 #endif
 }