Add missing include in src/Navaids/NavDataCache.cxx

#include <sstream> is needed for NavDataCachePrivate::init()
which uses std::ostringstream.

diff --git a/src/Navaids/NavDataCache.cxx b/src/Navaids/NavDataCache.cxx
index a2b841397e49a5bded56800989c377c73cf7b4bb..ea83e861d03db1c08e7599910429a1e23c559b58 100644 (file)
--- a/src/Navaids/NavDataCache.cxx
+++ b/src/Navaids/NavDataCache.cxx
@@ -29,6 +29,7 @@
 #include <map>
 #include <cassert>
 #include <stdint.h> // for int64_t
+#include <sstream>  // for std::ostringstream
 // boost
 #include <boost/foreach.hpp>