selftests: ptrace: add set_syscall_info to .gitignore

Add the set_syscall_info test binary to .gitignore to avoid tracking build
artifacts in the ptrace selftests directory.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Moon Hee Lee <[email protected]>
Cc: "Dmitry V. Levin" <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Shuah Khan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: moonheelee

tools/testing/selftests/ptrace/.gitignore

@@ -3,3 +3,4 @@ get_syscall_info
 get_set_sud
 peeksiginfo
 vmaccess
+set_syscall_info