ps: revert wrong "optimization": (i & 1) -> i

diff --git a/procps/ps.c b/procps/ps.c
index bbd5467..47e4c61 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -368,7 +368,7 @@
 	i = getopt32(argc, argv, "Z");
 #endif
 #if ENABLE_SELINUX
-	if (i && is_selinux_enabled())
+	if ((i & 1) && is_selinux_enabled())
 		use_selinux = PSSCAN_CONTEXT;
 #endif
 #endif /* ENABLE_FEATURE_PS_WIDE || ENABLE_SELINUX */