libtheora: add hash

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libtheora/libtheora.hash

@@ -0,0 +1,2 @@
+# From http://downloads.xiph.org/releases/theora/SHA256SUMS
+sha256	f36da409947aa2b3dcc6af0a8c2e3144bc19db2ed547d64e9171c59c66561c61	libtheora-1.1.1.tar.xz