portaudio: add hash file

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/portaudio/portaudio.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	9c26d1330d506496789edafe55b0386f20d83c4aa2c0e3f81fbeb0f114ab1b99	pa_stable_v19_20111121.tgz