Index: patches/80_uhttpd_clen_tonumber.patch
===================================================================
--- patches/80_uhttpd_clen_tonumber.patch	(revision 0)
+++ patches/80_uhttpd_clen_tonumber.patch	(revision 0)
@@ -0,0 +1,11 @@
+--- a/libs/sgi-uhttpd/luasrc/sgi/uhttpd.lua
++++ b/libs/sgi-uhttpd/luasrc/sgi/uhttpd.lua
+@@ -43,7 +43,7 @@ function handle_request(env)
+ 		renv["HTTP_" .. k] = v
+ 	end
+ 
+-	local len = env.CONTENT_LENGTH or 0
++	local len = tonumber(env.CONTENT_LENGTH) or 0
+ 	local function recv()
+ 		if len > 0 then
+ 			local rlen, rbuf = uhttpd.recv(4096)