include/debug: print info when addresses suppressed

Suggested-by: Peter Cordes <peter@cordes.ca>
Signed-off-by: Karel Zak <kzak@redhat.com>

include/debug.h

@@ -95,8 +95,10 @@ struct ul_debug_maskname {
 		} else \
 			lib ## _debug_mask = mask; \
 		if (lib ## _debug_mask) { \
-			if (getuid() != geteuid() || getgid() != getegid()) \
+			if (getuid() != geteuid() || getgid() != getegid()) { \
 				lib ## _debug_mask |= __UL_DEBUG_FL_NOADDR; \
+				fprintf(stderr, "%d: %s: SUID executable: pointer addresses suppressed.\n", getpid(), # lib); \
+			} \
 		} \
 		lib ## _debug_mask |= pref ## INIT; \
 	} while (0)