[gssproxy] [gssapi/gssproxy] f52e60: tests: fix userproxytest missed NULL argument pointer

Branch: refs/heads/main Home: https://github.com/gssapi/gssproxy Commit: f52e60fad1e202a8f9c06ec6ce8bada69c62c93c https://github.com/gssapi/gssproxy/commit/f52e60fad1e202a8f9c06ec6ce8bada... Author: Kai Zhang <zhangkai(a)iscas.ac.cn&gt; Date: 2023-09-07 (Thu, 07 Sep 2023) Changed paths: M tests/userproxytest.c Log Message: ----------- tests: fix userproxytest missed NULL argument pointer Execv syscall needs the argument array of pointers must be terminated by a null pointer, otherwise the garbage data might break the test. Signed-off-by: Kai Zhang <zhangkai(a)iscas.ac.cn&gt;