Fix build error
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=811741
ragel: FTBFS with GCC 6: narrowing conversion
- Explicitly set C++ standard to C++98 to fix compilation under GCC 6
[Model] All
[BinType] AP
[Customer] OPEN
[Issue#] N/A
[Request] N/A
[Occurrence Version] N/A
[Problem] build error
[Cause & Measure] Explicitly set c++98
[Checking Method] N/A
[Team] Open Source Management and Setting Part
[Developer] dh0128.kwak
[Solution company] Samsung
[Change Type] N/A
Change-Id: Iaba7f310cda81bd9412e7936d1443b47227cba61
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>