checked C++ bindings: add missing include
checked C++ bindings: add missing include

The bindings contain a call to fputs, which is declared in <stdio.h>.

Signed-off-by: Sven Verdoolaege <235c10dd23b819f81cdc9756a251746bc184cab6@gmail.com>

PollyLabs/isl,Meinersbur/isl,Meinersbur/isl,PollyLabs/isl,Meinersbur/isl,PollyLabs/isl,PollyLabs/isl,Meinersbur/isl,PollyLabs/isl