When listening to a udp port an Illegal instruction occurs.
This did NOT happen when compiled with debug on.

Fixes issue openwrt#4747, FS#2937

Signed-off-by: Rick Frankland <rfrankla@yahoo.com>

Signed-off-by: Jan Pavlinec <jan.pavlinec@nic.cz>

fix Makefile chmod (644)
replace MD5SUM with HASH
add PKG_MIRROR_HASH when PKG_SOURCE_PROTO:=git

(PKG_SOURCE_PROTO:=svn tarballs are not reproducible for now)

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

Signed-off-by: Adam Gensler openwrt@a.gnslr.us