postgresql: Security Advisory-postgresql-CVE-2016-0766

add CVE-2016-0766 patch for avoiding attackers to gain privileges
via unspecified vectors.
Patch comes from:
http://git.postgresql.org/gitweb/?p=postgresql.git;a=summary
commit f4aa3a18a20d51575562520754aa376b3b08b2d0

Signed-off-by: Zhixiong Chi <Zhixiong.Chi@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-oe/recipes-support/postgresql/postgresql.inc

@@ -31,6 +31,7 @@ SRC_URI = "http://ftp.postgresql.org/pub/source/v${PV}/${BP}.tar.bz2 \
     file://postgresql-setup \
     file://postgresql.service \
     file://0001-Use-pkg-config-for-libxml2-detection.patch \
+    file://postgresql-CVE-2016-0766.patch \
 "
 
 LEAD_SONAME = "libpq.so"