BUG: snappyHexMesh: missing tutorial in ./Allrun. Fixes #916.

tutorials/mesh/snappyHexMesh/Allrun

@@ -4,6 +4,7 @@ cd ${0%/*} || exit 1    # Run from this directory
 ( cd flange && ./Allrun $* )
 ( cd addLayersToFaceZone && ./Allrun )
 ( cd gap_detection && ./Allrun )
+( cd aerofoilNACA0012_directionalRefinement && ./Allrun )
 
 exit 0