#
#
# patch "rcs_import.cc"
#  from [d03d087c53f1ce816d59a0aa997973cfa6325a41]
#    to [fbd5397f5b6fb8e2529e3bfddeec575655e5775b]
#
============================================================
--- rcs_import.cc	d03d087c53f1ce816d59a0aa997973cfa6325a41
+++ rcs_import.cc	fbd5397f5b6fb8e2529e3bfddeec575655e5775b
@@ -2131,6 +2131,8 @@ public:
 class split_decider_func
 {
 public:
+  virtual ~split_decider_func ()
+    { };  // a no-op, just here to make the compiler happy.
   virtual bool operator () (const cvs_event_ptr & ev) = 0;
 };