BUGFIX: mEqRef for evalOp

lib/impure/dialogs.nim

@@ -79,6 +79,7 @@ proc ChooseFileToOpen*(window: PWindow, root: string = ""): string =
     else:
       result = ""
   else:
+    assert file_chooser_dialog_new != nil
     var chooser = file_chooser_dialog_new("Open File", window,
                 FILE_CHOOSER_ACTION_OPEN,
                 STOCK_CANCEL, RESPONSE_CANCEL,

rod/semfold.nim

@@ -195,7 +195,8 @@ proc evalOp(m: TMagic, n, a, b, c: PNode): PNode =
     result = copyTree(a)
     result.typ = n.typ
   of mNewString, mExit, mInc, ast.mDec, mEcho, mAssert, mSwap, mAppendStrCh, 
-     mAppendStrStr, mAppendSeqElem, mSetLengthStr, mSetLengthSeq, mNLen..mNError: 
+     mAppendStrStr, mAppendSeqElem, mSetLengthStr, mSetLengthSeq, 
+     mNLen..mNError, mEqRef: 
     nil
   else: InternalError(a.info, "evalOp(" & $m & ')')