diff --git a/build-system/bazel-rules/apple_support b/build-system/bazel-rules/apple_support
index 7cecc12692..12fc37b370 160000
--- a/build-system/bazel-rules/apple_support
+++ b/build-system/bazel-rules/apple_support
@@ -1 +1 @@
-Subproject commit 7cecc126925fef811c274b10b99329179574f9cb
+Subproject commit 12fc37b370ff460c8712f16eb61a4d1f5abfc565
diff --git a/submodules/ffmpeg/Sources/FFMpeg/ffmpeg-4.1/libavformat/utils.c b/submodules/ffmpeg/Sources/FFMpeg/ffmpeg-4.1/libavformat/utils.c
index 72dd9044e1..e6d9a285d8 100644
--- a/submodules/ffmpeg/Sources/FFMpeg/ffmpeg-4.1/libavformat/utils.c
+++ b/submodules/ffmpeg/Sources/FFMpeg/ffmpeg-4.1/libavformat/utils.c
@@ -2164,7 +2164,7 @@ int ff_seek_frame_binary(AVFormatContext *s, int stream_index,
                          int64_t target_ts, int flags)
 {
     AVInputFormat *avif = s->iformat;
-    int64_t av_uninit(pos_min), av_uninit(pos_max), pos, pos_limit;
+    int64_t pos_min = 0, pos_max = 0, pos, pos_limit;
     int64_t ts_min, ts_max, ts;
     int index;
     int64_t ret;