Updated curl to 7.20.0

Went with the autoconf version since their cmake files are known to have problems in this release.

net-misc/curl/curl-7.20.0.bep

@@ -0,0 +1,19 @@
+DESCRIPTION="curl and libcurl" 
+HOMEPAGE="http://curl.haxx.se" 
+SRC_URI="http://curl.haxx.se/download/curl-7.20.0.tar.bz2"
+CHECKSUM_MD5="3dda78c4a808d9a779dc3a2ae81b47d8"
+REVISION="1"
+STATUS_HAIKU="stable"
+DEPEND=""
+BUILD {
+	cd curl-7.20.0
+	libtoolize --force --copy --install
+	autoconf
+	./configure --prefix=/boot/common
+	make
+}
+
+INSTALL {
+	cd curl-7.20.0
+	make install
+}