Updated libsoundio

IceDragon200 · Blaž Hrastnik · commit 9b8033a3ece6 · 2016-07-14T20:58:27.000+09:00
Merged in some important upstream changes
diff --git a/vendor/libsoundio b/vendor/libsoundio
@@ -1 +1 @@
-Subproject commit 3e1033cd30fa9e23adbe467af2850845aa55f74a
+Subproject commit 7469bee05829b62218e862eb6347f531b1869ac7
