Global y1

I BELIEVE y1 is being created globally in the crop function, and that x2 is not actually being used. So, I've changed local x1, x2 to local x1, y1. https://github.com/torch/image/issues/177

1 files changed, 1 insertions, 1 deletions

diff --git a/init.lua b/init.lua
index 8a14cec..e1bfe63 100644
--- a/init.lua
+++ b/init.lua
@@ -470,7 +470,7 @@ local function crop(...)
       else
          iwidth,iheight = src:size(2),src:size(1)
       end
-      local x1, x2
+      local x1, y1
       if format == 'c' then
          x1, y1 = math.floor((iwidth-width)/2), math.floor((iheight-height)/2)
       elseif format == 'tl' then