TUT: only copy flange.ans if it exists

- for OpenFOAM-v2006 shifted the location of flange.ans into tutorial
  resources specifically to make tutorial tests easier for this add-on
  solver.

  Only attempt to copy flange.ans for older versions to avoid spurious
  error message for new versions.

tutorials/basic/laplacianFoam/flange/Allrun.init

@@ -21,7 +21,6 @@ then
     mkdir "$dst"
     cp -r "$src"/constant "$dst"
     cp -r "$src"/system "$dst"
-    cp "$src/flange.ans" "$dst"
 
     # Copy zero directory (0.orig/, or 0/)
     for i in 0.orig 0
@@ -34,7 +33,8 @@ then
     done
 
     # Allclean, Allrun etc may not exist
-    for i in "$src"/All*
+    # OpenFOAM-1912 and earlier with geometry in tutorial (not as resource)
+    for i in "$src"/All*  "$src/flange.ans"
     do
         if [ -f "$i" ]
         then