Add PostGIS 2.3.1 as a target

git-svn-id: http://svn.osgeo.org/postgis/trunk@15277 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/extensions/upgradeable_versions.mk b/extensions/upgradeable_versions.mk
index 231a681557d457f819aa7dba7a1bd635256d779d..af94d3fc7c871f6f90ffe4bfda9ed1028410ce78 100644 (file)
--- a/extensions/upgradeable_versions.mk
+++ b/extensions/upgradeable_versions.mk
@@ -21,7 +21,9 @@ UPGRADEABLE_VERSIONS = \
        2.2.1 \
        2.2.2 \
        2.2.3 \
-       2.3.0
+       2.2.4 \
+       2.3.0 \
+       2.3.1
 
 # This is to avoid forcing "check-installed-upgrades" as a default
 # rule, see https://trac.osgeo.org/postgis/ticket/3420