Add the install directory that gets created by the nightly script.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13573 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/tests/check_headers_and_includes b/tests/check_headers_and_includes
index d558412..2b9caf4 100755
--- a/tests/check_headers_and_includes
+++ b/tests/check_headers_and_includes
@@ -50,6 +50,7 @@
".deps" => 1,
".svn" => 1,
".in_place" => 1,
+ "Inst" => 1, # the nightly scripts creates this
"VEX" => 1,
"docs" => 1,
"auxprogs" => 1,