Add sv_find_last_of_test

test/Jamfile.v2

@@ -260,6 +260,7 @@ run sv_ends_with_test.cpp ;
 run sv_find_test.cpp ;
 run sv_rfind_test.cpp ;
 run sv_find_first_of_test.cpp ;
+run sv_find_last_of_test.cpp ;
 run sv_contains_test.cpp ;
 
 use-project /boost/core/swap : ./swap ;