Uninitialized scalar variable

The variable will contain an arbitrary value left from earlier computations. Use of an uninitialized variable
/src/mongo/db/s/range_deletion_util.cpp:340: UNINIT 141056 Declaring variable "numDeleted" without initializer.
/src/mongo/db/s/range_deletion_util.cpp:374: UNINIT 141056 Using uninitialized value "numDeleted".