TUT: bubbleColumnPolydisperse: update the function object library (fixes #3321)

tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumnPolydisperse/system/controlDict

@@ -92,7 +92,7 @@ functions
     numberDensity.diameter.bubbles
     {
         type                sizeDistribution;
-        libs                (reactingEulerFoamFunctionObjects);
+        libs                (phaseFunctionObjects);
 
         writeControl        runTime;
         writeInterval       5;