Fix 32-bit build.

fs_config uses "unsigned int" instead of mode_t. Work around this.

Change-Id: I57b97d5bfc1b88089a41b4e8a50f1391b5c5113b
diff --git a/adb/file_sync_service.cpp b/adb/file_sync_service.cpp
index 6b5c51f..abf1c02 100644
--- a/adb/file_sync_service.cpp
+++ b/adb/file_sync_service.cpp
@@ -305,7 +305,9 @@
     gid_t gid = -1;
     uint64_t cap = 0;
     if (should_use_fs_config(path)) {
-        fs_config(path.c_str(), 0, &uid, &gid, &mode, &cap);
+        unsigned int broken_api_hack;
+        fs_config(path.c_str(), 0, &uid, &gid, &broken_api_hack, &cap);
+        mode = broken_api_hack;
     }
     return handle_send_file(s, path.c_str(), uid, gid, mode, buffer, do_unlink);
 }