mpkg: feed_get_pkg_md5: drop initialization of md5 local.
mpkg: feed_get_pkg_md5: drop initialization of md5 local.

Useless for a local variable.

From 1787204e09f864df7be745978d35f9a4f70d43c4.

Signed-off-by: Gaël PORTAY <1666f60cfa201a60b0ea694168a0b6932673170a@gmail.com>

gazoo74/mpkg,gazoo74/mpkg