Fixed syntax error in test data

t/data/strepo/release/rc.stm

@@ -15,5 +15,5 @@ This is the release client protocol.  Here the body starts...
     > result is OK
 3. Some XP thing        {os==wxx}
 3. Some Win7 thing      {os=~w7*}
-4. Some amd64 thing     {arch=amd64}
+4. Some amd64 thing     {arch==amd64}