findbug fixes
modified: src/com/android/calendar/AgendaActivity.java
modified: src/com/android/calendar/AgendaAdapter.java
modified: src/com/android/calendar/CalendarActivity.java
modified: src/com/android/calendar/CalendarApplication.java
modified: src/com/android/calendar/CalendarView.java
modified: src/com/android/calendar/DeleteEventHelper.java
modified: src/com/android/calendar/EditEvent.java
modified: src/com/android/calendar/Event.java
modified: src/com/android/calendar/EventInfoActivity.java
modified: src/com/android/calendar/IcsImportActivity.java
modified: src/com/android/calendar/MonthActivity.java
modified: tests/src/com/android/calendar/FormatDateRangeTest.java
modified: tests/src/com/android/calendar/WeekNumberTest.java
13 files changed