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-rw-r--r--intern.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/intern.h b/intern.h
index 93e6bb8..dacd985 100644
--- a/intern.h
+++ b/intern.h
@@ -374,7 +374,7 @@ void posix_signal _((int, RETSIGTYPE (*)(int)));
#endif
void rb_trap_exit _((void));
void rb_trap_exec _((void));
-char *ruby_signal_name _((int));
+const char *ruby_signal_name _((int));
/* sprintf.c */
VALUE rb_f_sprintf _((int, VALUE*));
/* string.c */