testing/flickcurl: fix FTBFS on ppc64le

Currently flickcurl FTBFS due to an outdate config.guess file. Updating
it to reflect the new platforms.

testing/flickcurl/APKBUILD

@@ -12,6 +12,12 @@ subpackages="$pkgname-dev $pkgname-doc $pkgname-libs"
 source="http://download.dajobe.org/flickcurl/flickcurl-$pkgver.tar.gz"
 builddir="$srcdir/flickcurl-$pkgver"
 
+prepare() {
+	cd "$builddir"
+	update_config_guess || return 1
+	default_prepare || return 1
+}
+
 build() {
 	cd "$builddir"
 	./configure --prefix /usr || return 1