Fix warning: variable bound multiple times
Fix this warning:
src/couch/test/eunit/couch_flags_config_tests.erl:99:9: Warning: variable '_Pattern' is bound multiple times in this pattern.
diff --git a/src/couch/test/eunit/couch_flags_config_tests.erl b/src/couch/test/eunit/couch_flags_config_tests.erl
index 0570771..2657629 100644
--- a/src/couch/test/eunit/couch_flags_config_tests.erl
+++ b/src/couch/test/eunit/couch_flags_config_tests.erl
@@ -96,7 +96,7 @@
|| {Rules, Expected} <- Cases
].
-flags({{_Pattern}, {_Pattern, _Size, Flags}}) ->
+flags({{_}, {_, _Size, Flags}}) ->
Flags.
test_id(Items, ExpectedResult) ->
