rem: free(bPtr->titles[column]);
add: wfree(bPtr->titles[column]);
context: loadColumn(WMBrowser *bPtr, int column){    assert(bPtr->delegate);    assert(bPtr->delegate->createRowsForColumn);    bPtr->flags.loadingColumn = 1;    (*bPtr->delegate->createRowsForColumn)(bPtr->delegate, bPtr, column,					   bPtr->columns[column]);    bPtr->flags.loadingColumn = 0;    if (bPtr->delegate->titleOfColumn) {	char *title;	title = (*bPtr->delegate->titleOfColumn)(bPtr->delegate, bPtr, column);	if (bPtr->titles[column])	    free(bPtr->titles[column]);	bPtr->titles[column] = wstrdup(title);        if (COLUMN_IS_VISIBLE(bPtr, column) && bPtr->flags.isTitled) {            drawTitleOfColumn(bPtr, column);        }    }}