Fix Imenu regression.

[gnu-emacs] / src / syssignal.h

diff --git a/src/syssignal.h b/src/syssignal.h
index 83ab19698dd2f5a8e4cbeb1ea541accfc2c243d3..2bf2f046aa5f69dbd1e35ea04902956486ad0c81 100644 (file)
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -43,7 +43,7 @@ extern sigset_t empty_mask;
 typedef void (*signal_handler_t) (int);
 
 extern void emacs_sigaction_init (struct sigaction *, signal_handler_t);
-char const *safe_strsignal (int);
+char const *safe_strsignal (int) ATTRIBUTE_CONST;
 
 #if NSIG < NSIG_MINIMUM
 # undef NSIG