daemon/config: factor out duplicate xstrdup_tolower
We have two implementations of the same function; let's drop
that to one. We take the name from daemon.c, but the
implementation (which is just slightly more efficient) from
the config code.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/strbuf.h b/strbuf.h
index 73e80ce..7bd3621 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -177,4 +177,6 @@
__attribute__((format (printf,2,3)))
extern int fprintf_ln(FILE *fp, const char *fmt, ...);
+char *xstrdup_tolower(const char *);
+
#endif /* STRBUF_H */
