optimize: removed one line of useless code. thanks hamza for the patc…

…h in #13.
openresty · Feb 26, 2015 · 834771b · 834771b
1 parent 2186d3f
commit 834771b
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/lib/resty/upload.lua b/lib/resty/upload.lua
@@ -3,7 +3,6 @@
 
 local sub = string.sub
 local req_socket = ngx.req.socket
-local null = ngx.null
 local match = string.match
 local setmetatable = setmetatable
 local error = error