t/perf: export variable used in other blocks

diff --git a/strbuf.h b/strbuf.h
index 2262b12683b5d91d536baa0b71094098872200d1..cf1b5409e7c39eba4981a0a23e8250249a9202f1 100644 (file)
--- a/strbuf.h
+++ b/strbuf.h
@@ -109,9 +109,7 @@ extern void strbuf_attach(struct strbuf *, void *, size_t, size_t);
  */
 static inline void strbuf_swap(struct strbuf *a, struct strbuf *b)
 {
-       struct strbuf tmp = *a;
-       *a = *b;
-       *b = tmp;
+       SWAP(*a, *b);
 }