[PATCH] gmp should respect GNU_MIRROR

[John Stowers]

diff --git a/packages/gmp/gmp.inc b/packages/gmp/gmp.inc
index 71ea128..3771e80 100644
--- a/packages/gmp/gmp.inc
+++ b/packages/gmp/gmp.inc
@@ -3,7 +3,7 @@ DESCRIPTION = "GNU multiprecision arithmetic library"
 HOMEPAGE = "http://www.swox.com/gmp/"
 LICENSE = "GPL LGPL"
 
-SRC_URI = "ftp://ftp.gnu.org/gnu/gmp/gmp-${PV}.tar.bz2 \
+SRC_URI = "${GNU_MIRROR}/gmp/gmp-${PV}.tar.bz2 \
        file://configure.patch;patch=1 \
        file://amd64.patch;patch=1"