tweaked spec file to fix tests/run/cpdef_extern_func.pyx test for SLE_11_SP3/SLE_11_SP4 which have an older gcc/g++ environment OBS-URL: https://build.opensuse.org/request/show/327269 OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-Cython?expand=0&rev=63