erasure-code: update jerasure v2 submodule

to include the latest compilation warning fixes.

Signed-off-by: Loic Dachary <loic@dachary.org>

diff --git a/src/erasure-code/jerasure/jerasure b/src/erasure-code/jerasure/jerasure
index df3db573f6232e511cbfd188cfa3fa829ac7068c..49565cb944aa27b0121dab64d4bc6ae512d81b36 160000 (submodule)
--- a/src/erasure-code/jerasure/jerasure
+++ b/src/erasure-code/jerasure/jerasure
@@ -1 +1 @@
-Subproject commit df3db573f6232e511cbfd188cfa3fa829ac7068c
+Subproject commit 49565cb944aa27b0121dab64d4bc6ae512d81b36