diff --git a/ChangeLog b/ChangeLog
index d8aa9248..8ec1f31c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,8 +3,8 @@
 	* src/chpasswd.c: Added crypt method: NONE.
 	* src/chpasswd.c: Added --sha-rounds to the usage().
 	* libmisc/Makefile.am, libmisc/getlong.c, src/chgpasswd.c,
-	src/chpasswd.c: New getlong function. Replace chpasswd's and
-	chgpasswd's getnumber.
+	src/chpasswd.c, lib/prototypes.h: New getlong function. Replace
+	chpasswd's and chgpasswd's getnumber.
 
 2007-11-23  Nicolas François  <nicolas.francois@centraliens.net>
 
diff --git a/lib/prototypes.h b/lib/prototypes.h
index 86c4a7c8..f88f3db3 100644
--- a/lib/prototypes.h
+++ b/lib/prototypes.h
@@ -70,6 +70,9 @@ extern void sanitize_env (void);
 extern void change_field (char *, size_t, const char *);
 extern int valid_field (const char *, const char *);
 
+/* getlong.c */
+extern int getlong(const char *numstr, long int *result);
+
 /* fputsx.c */
 extern char *fgetsx (char *, int, FILE *);
 extern int fputsx (const char *, FILE *);