Merge pull request #195 from prculley/bug9579_42

bug 9579 Gedcom import of FTM file with OCCU record crashes import

gramps/plugins/lib/libgedcom.py

@@ -5417,7 +5417,8 @@ class GedcomParser(UpdateCallback):
         @type state: CurrentState
         """
 
-        if self.is_ftw and state.event.type in FTW_BAD_PLACE:
+        if self.is_ftw and (state.event.type in FTW_BAD_PLACE) \
+                and not state.event.get_description():
              state.event.set_description(line.data)
         else:
             title = line.data