add a drop down menu with the eol mode in the save-file-as-dialog * file-editor-tab.cc (save_file_as): add a combo box with the eol modes to the file dialog; (handle_combo_eol_current_index): new slot for changes in the combo box saving the current index in a class variable; (handle_save_file_as_answer, handle_save_file_as_answer_close): convert into the desired eol mode when it differs from the current one before saving * file-editor-tab.h: new slot for changes of the current index in the combo box, new class variable for saving the current index

gnulib-hg = gnulib-hg