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-rw-r--r--internal/missing.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/internal/missing.h b/internal/missing.h
index c0992a151a..6ca508c8f9 100644
--- a/internal/missing.h
+++ b/internal/missing.h
@@ -13,6 +13,7 @@
/* missing/setproctitle.c */
#ifndef HAVE_SETPROCTITLE
extern void ruby_init_setproctitle(int argc, char *argv[]);
+extern void ruby_free_proctitle(void);
#endif
#endif /* INTERNAL_MISSING_H */