* docs/user-guide/es/planner.xml:  add encoding to header, correct <mediaobject> tags
* docs/user-guide/eu/planner.xml:  convert from dos to unix format
* src/planner-format.c:  fix NULL pointer deref - bug #334121
* src/planner-gantt-row.c:  patch to fix segv on scrolling - bug #345517