fusion-aw: fixes

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/configure b/configure
index 27cfb4d..c9932b5 100755
--- a/configure
+++ b/configure
@@ -650,7 +650,7 @@
   return vsl_vectored_write(0, &iov, 0, O_ATOMIC);
 }
 EOF
-if compile_prog "" "" "fusion-aw"; then
+if compile_prog "" "-lvsldpexp" "fusion-aw"; then
   fusion_aw="yes"
 fi
 echo "Fusion-io atomic engine       $fusion_aw"