The crafting recipe for fences changed in 1.8 and no longer uses 6 sticks, instead using 4 wooden planks and 2 sticks, where the two sticks are in the middle 2 boxes, with 2 planks in the 2 boxes to the left and 2 planks in the 2 boxes to right of the sticks. For an image showing the crafting recipe, see the fence page on the Minecraft Wiki.
The crafting recipe for fences changed in 1.8 and no longer uses 6 sticks, instead using 4 wooden planks and 2 sticks, where the two sticks are in the middle 2 boxes, with 2 planks in the 2 boxes to the left and 2 planks in the 2 boxes to right of the sticks.
For an image showing the crafting recipe, see the fence page on the Minecraft Wiki.