bc: add download mirrors

Add three download mirrors for 'bc', as the Makefile currently defines only
one download location.

@GNU can not be used, as the most recent version of 'bc' is not available at
the general GNU mirrors, and can only be found at the "gnu-alpha" mirrors.

Signed-off-by: Hannu Nyman <hannu.nyman at iki.fi>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 45908

tools/bc/Makefile

@@ -10,7 +10,10 @@ PKG_NAME:=bc
 PKG_VERSION:=1.06.95
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_SOURCE_URL:=http://alpha.gnu.org/gnu/bc
+PKG_SOURCE_URL:=http://alpha.gnu.org/gnu/bc \
+	http://gnualpha.uib.no/bc/ \
+	http://mirrors.fe.up.pt/pub/gnu-alpha/bc/ \
+	http://www.nic.funet.fi/pub/gnu/alpha/gnu/bc/
 PKG_MD5SUM:=5126a721b73f97d715bb72c13c889035
 
 include $(INCLUDE_DIR)/host-build.mk