Rename filename var in library structure to allow switching between

library and disc

Author: mjprilliman

src/library.cpp

@@ -1397,7 +1397,7 @@ bool ScanWaveResourceTSData(const wxString& db_file, bool show_busy)
     csv(2, 10) = "notes";
 
     csv(0, 11) = "File name";
-    csv(2, 11) = "wave_resource_filename_ts";
+    csv(2, 11) = "wave_resource_ts_file_name";
 
     csv(0, 12) = "Significant wave height";
     csv(1, 12) = "m";