1 files changed, 1 insertions, 0 deletions
diff --git a/strbuf.h b/strbuf.h
index 39c14cfa3..6b6f745e0 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -45,6 +45,7 @@ static inline void strbuf_setlen(struct strbuf *sb, size_t len)
 extern void strbuf_trim(struct strbuf *);
 extern void strbuf_rtrim(struct strbuf *);
 extern void strbuf_ltrim(struct strbuf *);
+extern void strbuf_tolower(struct strbuf *sb);
 extern int strbuf_cmp(const struct strbuf *, const struct strbuf *);
 
 /*