STYLE: snappyHexMeshDict: changed default

applications/utilities/mesh/generation/snappyHexMesh/snappyHexMeshDict

@@ -212,7 +212,7 @@ snapControls
     //- Maximum relative distance for points to be attracted by surface.
     //  True distance is this factor times local maximum edge length.
     // Note: changed(corrected) w.r.t 17x! (17x used 2* tolerance)
-    tolerance 1.0;
+    tolerance 2.0;
 
     //- Number of mesh displacement relaxation iterations.
     nSolveIter 30;