fix obviously wrong call to getTarget() in ValidateReader::read() for LIR_jtbl (r=me)

--HG--
extra : convert_revision : 0a24446567224c42ee3f421627ea644976fea3de

js/src/nanojit/LIR.cpp

@@ -3016,7 +3016,7 @@ namespace nanojit
             uint32_t tableSize = ins->getTableSize();
             NanoAssert(tableSize > 0);
             for (uint32_t i = 0; i < tableSize; i++) {
-                LIns* target = ins->getTarget();
+                LIns* target = ins->getTarget(i);
                 NanoAssert(target);
                 NanoAssert(target->isop(LIR_label));
             }