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-rw-r--r--src/lisp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lisp.h b/src/lisp.h
index 0e1cfff61ab..54a3bdd5855 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -2857,6 +2857,7 @@ extern int immediate_quit; /* Nonzero means ^G can quit instantly */
extern char *getenv (), *ctime (), *getwd ();
extern long *xmalloc (), *xrealloc ();
extern void xfree ();
+extern char *xstrdup P_ ((char *));
extern char *egetenv P_ ((char *));