fix reading enum values for MVStore. Case for read was missed in commit…

fix reading enum values for MVStore. Case for read was missed in commit eb396945

h2/src/main/org/h2/mvstore/db/ValueDataType.java

@@ -464,6 +464,7 @@ public class ValueDataType implements DataType {
             return ValueBoolean.get(false);
         case INT_NEG:
             return ValueInt.get(-readVarInt(buff));
+        case Value.ENUM:
         case Value.INT:
             return ValueInt.get(readVarInt(buff));
         case LONG_NEG: