File subversion-fix_nonvoid_function_without_return.patch of Package subversion

--- subversion/bindings/javahl/native/EnumMapper.cpp.orig
+++ subversion/bindings/javahl/native/EnumMapper.cpp
@@ -497,6 +497,7 @@ jint EnumMapper::mapOperation(svn_wc_ope
   switch (operation)
     {
     case svn_wc_operation_none:
+    default:
       return org_tigris_subversion_javahl_Operation_none;
     case svn_wc_operation_update:
       return org_tigris_subversion_javahl_Operation_update;