Cleanup: fix names of recipe and patch files.

* this fixes the wrong recipe names introduced by myself in #d525fee
* adjust patch names to match corresponding recipes
* additionally: create 'additional-files' folders as hint to some
  ports that do not have a proper recipe yet

x11-proto/xcb_proto/xcb_proto-1.6.recipe

@@ -0,0 +1,22 @@
+DESCRIPTION="xcb-proto" 
+HOMEPAGE="http://xcb.freedesktop.org/" 
+SRC_URI="http://xcb.freedesktop.org/dist/xcb-proto-1.6.tar.gz"
+CHECKSUM_MD5="8d29695e8faf5fcdce568c66eaeaa5ee"
+REVISION="1"
+STATUS_HAIKU="stable"
+DEPEND="x11-misc/util-macros >= 1.7.0"
+
+BUILD()
+{
+	cd xcb-proto-1.6
+	libtoolize --force --copy --install
+	autoreconf -i
+	./configure --prefix=`finddir B_COMMON_DIRECTORY`
+	make
+}
+
+INSTALL()
+{
+	cd xcb-proto-1.6
+	make install
+}