privately export isl_ctx_set_full_error
privately export isl_ctx_set_full_error

This function will be needed in isl_stream.c in the next commit.

Signed-off-by: Sven Verdoolaege <dd860110a62b19214c4ee03aec0abffecb4e86b8@cerebras.net>

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