apps/example: fix error when building i2schar example
apps/example: fix error when building i2schar example

Change-Id: Ie09f433cf84e836d88e7fef6014aae2b24663b70
Signed-off-by: Bongryul Lee <40e5879ba2a710c5c582426d4fb9229bced4a8b1@samsung.com>

JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT