Cast to ck_result_ctx in test_pack_ctx_limit
Cast to ck_result_ctx in test_pack_ctx_limit

This change was necessary to get Check compiling on a c++
compiler.

git-svn-id: d023f1085a36f7a677188d00334e37d38ffecf51@1165 64e312b2-a51f-0410-8e61-82d0ca0eb02a

krichter722/check,9fcc/check,brarcher/check,krichter722/check,9fcc/check,libcheck/check,9fcc/check,libcheck/check,brarcher/check,libcheck/check,libcheck/check,brarcher/check,krichter722/check,libcheck/check,krichter722/check,9fcc/check,brarcher/check,krichter722/check,brarcher/check,9fcc/check