libmakepkg: migrate to schema.sh for integsums

We cannot use most of the arrays defined in schema.sh as srcinfo is dependent
on the order, but migrate the hashes for now.

Signed-off-by: Eli Schwartz <eschwartz@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>

scripts/libmakepkg/srcinfo.sh.in

@@ -24,6 +24,7 @@ LIBMAKEPKG_SRCINFO_SH=1
 LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
 
 source "$LIBRARY/util/pkgbuild.sh"
+source "$LIBRARY/util/schema.sh"
 
 srcinfo_open_section() {
 	printf '%s = %s\n' "$1" "$2"
@@ -63,7 +64,7 @@ srcinfo_write_section_details() {
 	local attr package_arch a
 	local multivalued_arch_attrs=(source provides conflicts depends replaces
 	                              optdepends makedepends checkdepends
-	                              {md5,sha{1,224,256,384,512}}sums)
+	                              "${known_hash_algos[@]/%/sums}")
 
 	for attr in "${singlevalued[@]}"; do
 		pkgbuild_extract_to_srcinfo "$1" "$attr" 0