switch to sha256sums

PKGBUILD

@@ -13,8 +13,8 @@ depends=('libxss')
 makedepends=('imake')
 source=("https://ibiblio.org/pub/Linux/X11/screensavers/$pkgname-$pkgver.tgz"
         union-wait.patch)
-md5sums=('9526347a202694ad235d731d9d3de91f'
-         'd313c2e392be59c2cbbb4226caf98bd4')
+sha256sums=('11f0275175634e6db756e96f5713ec91b8b1c41f8663df54e8a5d27dc71c4da2'
+            '3fb37a10157a751728ed07f74aa42832d8fad92166c19eafbeb2edc1d4fc08e2')
 
 prepare() {
   cd "$srcdir/$pkgname-$pkgver"