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-rw-r--r--Modules/readline.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/Modules/readline.c b/Modules/readline.c
index faa574ffcf..4105ddb2f7 100644
--- a/Modules/readline.c
+++ b/Modules/readline.c
@@ -38,6 +38,7 @@ extern int read_history(char *);
extern int write_history(char *);
extern int history_truncate_file(char *, int);
extern Function *rl_event_hook;
+extern char *rl_library_version;
#endif
/* Pointers needed from outside (but not declared in a header file). */