am 2f6877a0: recovery: init backgroundIcon properly to avoid recovery mode crash

* commit '2f6877a0220475303907203308c018d789ea1a53':
  recovery: init backgroundIcon properly to avoid recovery mode crash
diff --git a/screen_ui.cpp b/screen_ui.cpp
index 222de00..93e2609 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -82,6 +82,10 @@
     install_overlay_offset_y(190),
     overlay_offset_x(-1),
     overlay_offset_y(-1) {
+
+    for (int i = 0; i < 5; i++)
+        backgroundIcon[i] = NULL;
+
     pthread_mutex_init(&updateMutex, NULL);
     self = this;
 }