update COREUTILS_SITE as pointed out by andersee

package/coreutils/coreutils.mk

@@ -5,7 +5,8 @@
 #############################################################
 COREUTILS_VER:=5.3.0
 COREUTILS_SOURCE:=coreutils-$(COREUTILS_VER).tar.bz2
-COREUTILS_SITE:=ftp://ftp.gnu.org/gnu/coreutils/
+#COREUTILS_SITE:=ftp://ftp.gnu.org/gnu/coreutils/
+COREUTILS_SITE:=ftp://alpha.gnu.org/gnu/coreutils/
 COREUTILS_CAT:=bzcat
 COREUTILS_DIR:=$(BUILD_DIR)/coreutils-$(COREUTILS_VER)
 COREUTILS_BINARY:=src/vdir