Fix reverse_null. coverity CID 10731

git-svn-id: http://root.cern.ch/svn/root/trunk@35876 27541ba8-7e3a-0410-8455-c3a389f83636

misc/table/src/TFileIter.cxx

@@ -168,8 +168,9 @@ TFileIter::TFileIter(const TFileIter &dst) : TListIter()
            fCursorPosition(-1),  fOwnTFile(dst.fOwnTFile)
 {
    // Copy ctor can be used with the "read only" files only.
-   assert(!fRootFile->IsWritable());
-   if (fRootFile && fOwnTFile && !fRootFile->IsWritable()) {
+   //the next statement is illegal, spotted by coverity "Dereferencing pointer "this->fRootFile". (Deref happens because this is a virtual function call.)
+   //assert(!fRootFile->IsWritable());
+   if (fRootFile && fOwnTFile) {
       // Reopen the file
       if (fRootFile->InheritsFrom(TFile::Class())) 
       {