Index: head/databases/postgis20/files/patch-postgis-lwgeom_accum.c
===================================================================
--- head/databases/postgis20/files/patch-postgis-lwgeom_accum.c	(nonexistent)
+++ head/databases/postgis20/files/patch-postgis-lwgeom_accum.c	(revision 427767)
@@ -0,0 +1,14 @@
+--- postgis/lwgeom_accum.c.orig	2012-02-27 22:08:12 UTC
++++ postgis/lwgeom_accum.c
+@@ -106,7 +106,11 @@ pgis_geometry_accum_transfn(PG_FUNCTION_
+ 		         errmsg("could not determine input data type")));
+ 
+ 	if (fcinfo->context && IsA(fcinfo->context, AggState))
++#if POSTGIS_PGSQL_VERSION >= 95
++		aggcontext = ((AggState *) fcinfo->context)->aggcontexts;
++#else
+ 		aggcontext = ((AggState *) fcinfo->context)->aggcontext;
++#endif
+ #if POSTGIS_PGSQL_VERSION == 84
+ 
+ 	else if (fcinfo->context && IsA(fcinfo->context, WindowAggState))

Property changes on: head/databases/postgis20/files/patch-postgis-lwgeom_accum.c
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+yes
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+native
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