#
#
# patch "database.cc"
#  from [8d092cff405c1f08af7289dccf224037ada9dd53]
#    to [bf9caf3543312f4365cf542f970686ac2b799ca7]
#
============================================================
--- database.cc	8d092cff405c1f08af7289dccf224037ada9dd53
+++ database.cc	bf9caf3543312f4365cf542f970686ac2b799ca7
@@ -4319,12 +4319,12 @@ database_impl::open()
 {
   I(!__sql);
 
-  char const * to_open;
+  std::string to_open;
   if (use_memory_db)
     to_open = ":memory:";
   else
-    to_open = filename.as_external().c_str();
-  if (sqlite3_open(to_open, &__sql) == SQLITE_NOMEM)
+    to_open = filename.as_external();
+  if (sqlite3_open(to_open.c_str(), &__sql) == SQLITE_NOMEM)
     throw std::bad_alloc();
 
   I(__sql);