Uninitialized scalar variable

The variable will contain an arbitrary value left from earlier computations. Use of an uninitialized variable
/test/csuite/incr_backup/main.c:418: UNINIT 138725 Declaring variable "nunmodified" without initializer.
/test/csuite/incr_backup/main.c:425: UNINIT 138725 Using uninitialized value "nunmodified" when calling "printf".