seccomp: Define log prefix

For grepability sake in logs.
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

criu/seccomp.c

@@ -18,6 +18,9 @@
 #include "protobuf.h"
 #include "images/seccomp.pb-c.h"
 
+#undef	LOG_PREFIX
+#define LOG_PREFIX "seccomp: "
+
 /* populated on dump during collect_seccomp_filters() */
 static int next_filter_id = 0;
 static struct seccomp_info **filters = NULL;