update android-ffmpeg to build easily on older platforms

eighthave · eighthave · commit d858ae502574 · 2013-06-05T21:17:47.000-04:00
diff --git a/external/android-ffmpeg b/external/android-ffmpeg
@@ -1 +1 @@
-Subproject commit 04e8500ced3e6ea62598862438461f5e4fdb1647
+Subproject commit 53fc9d4e2972792236d9e4c4c5793322947a884e
