1 files changed, 1 insertions, 0 deletions

diff --git a/src/lisp.h b/src/lisp.h
index 386d9f6eb94..269022f5dfd 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -3599,6 +3599,7 @@ extern void *xnrealloc (void *, ptrdiff_t, ptrdiff_t);
 extern void *xpalloc (void *, ptrdiff_t *, ptrdiff_t, ptrdiff_t, ptrdiff_t);
 
 extern char *xstrdup (const char *);
+extern void xputenv (const char *);
 
 extern char *egetenv (const char *);