postgresql: security bump to 10.3

Helps mitigate CVE-2018-1058

see: https://www.postgresql.org/docs/current/static/release-10-3.html for more
bugfixes.

Signed-off-by: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/postgresql/postgresql.hash

@@ -1,5 +1,5 @@
-# From https://ftp.postgresql.org/pub/source/v10.2/postgresql-10.2.tar.bz2.sha256
-sha256	fe32009b62ddb97f7f014307ce9d0edb6972f5a698e63cb531088e147d145bad	postgresql-10.2.tar.bz2
+# From https://ftp.postgresql.org/pub/source/v10.3/postgresql-10.3.tar.bz2.sha256
+sha256	6ea268780ee35e88c65cdb0af7955ad90b7d0ef34573867f223f14e43467931a	postgresql-10.3.tar.bz2
 
 # License file, Locally calculated
 sha256	24cfc70cf16b3a23242c49ffce39510683bdd48cbedb8a46fe03976ee5f5c21e	COPYRIGHT

package/postgresql/postgresql.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-POSTGRESQL_VERSION = 10.2
+POSTGRESQL_VERSION = 10.3
 POSTGRESQL_SOURCE = postgresql-$(POSTGRESQL_VERSION).tar.bz2
 POSTGRESQL_SITE = http://ftp.postgresql.org/pub/source/v$(POSTGRESQL_VERSION)
 POSTGRESQL_LICENSE = PostgreSQL