index-pack: work around thread-unsafe pread()

diff --git a/t/lib-cvs.sh b/t/lib-cvs.sh
index 44263ade2533b848220c234441ab67813ca2b0b4..5076718916388d6abf483220cd35f9f61394abc4 100644 (file)
--- a/t/lib-cvs.sh
+++ b/t/lib-cvs.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+# Shell library sourced instead of ./test-lib.sh by cvsimport tests.
 
 . ./test-lib.sh