Update banana (Fix #797).

Signed-off-by: Stéphane Jacob <sj@m4x.org>

diff --git a/banana b/banana
index d2e741c..814695f 160000 (submodule)
--- a/banana
+++ b/banana
@@ -1 +1 @@
-Subproject commit d2e741cbc3fe8898b3fbca486232c12495d15afd
+Subproject commit 814695fb099867a31c19a4c6a534d30097e5eab9