Free the slot data when freeing an indirect reference table.

Change-Id: I96e342a57c77f53c212535d4ed563c22718d4bd0
diff --git a/vm/IndirectRefTable.c b/vm/IndirectRefTable.c
index 0a69f3c..8d7b3f9 100644
--- a/vm/IndirectRefTable.c
+++ b/vm/IndirectRefTable.c
@@ -55,6 +55,7 @@
 void dvmClearIndirectRefTable(IndirectRefTable* pRef)
 {
     free(pRef->table);
+    free(pRef->slotData);
     pRef->table = NULL;
     pRef->allocEntries = pRef->maxEntries = -1;
 }