diff -Nru libical3-3.0.3/debian/changelog libical3-3.0.3/debian/changelog
--- libical3-3.0.3/debian/changelog	2018-07-20 01:41:56.000000000 +0000
+++ libical3-3.0.3/debian/changelog	2018-08-18 23:07:59.000000000 +0000
@@ -1,3 +1,9 @@
+libical3 (3.0.3-1+rpi1) buster-staging; urgency=medium
+
+  * Update symbols file for raspbian.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Sat, 18 Aug 2018 23:07:59 +0000
+
 libical3 (3.0.3-1) unstable; urgency=medium
 
   * New upstream version.
diff -Nru libical3-3.0.3/debian/libical3.symbols libical3-3.0.3/debian/libical3.symbols
--- libical3-3.0.3/debian/libical3.symbols	2018-07-20 01:41:56.000000000 +0000
+++ libical3-3.0.3/debian/libical3.symbols	2018-08-18 23:07:59.000000000 +0000
@@ -2778,7 +2778,7 @@
  _ZTVN7LibICal9VTimezoneE@Base 3.0.0
  _ZTVN7LibICal9XDaylightE@Base 3.0.0
  _ZTVN7LibICal9XStandardE@Base 3.0.0
- _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPKcEEvT_S8_St20forward_iterator_tag@Base 3.0.0
+ (optional=disappeardinraspbian)_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPKcEEvT_S8_St20forward_iterator_tag@Base 3.0.0
 libicalss.so.3 libical3 #MINVER#
  icalbdbset_acquire_cursor@Base 3.0.0
  icalbdbset_add_component@Base 3.0.0