Compiling lwgeom_export.c fails on Solaris10

[martin]

Solaris10/AMD64, GCC 3.4.3
GEOS="3.4.0dev-CAPI-1.8.0 r0" PROJ="Rel. 4.8.0, 6 March 2012" LIBXML="2.6.23

gcc -m64 -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmiss ing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fPIC -I/opt/PostgreSQL/include -I/opt/ PostgreSQL/include -I/usr/include/libxml2 -I../liblwgeom -I../libpgcommon -fPIC -I. -I. -I/opt/PostgreSQL/ include/postgresql/server -I/opt/PostgreSQL/include/postgresql/internal -I/usr/sfw/include -I/usr/include/l ibxml2 -c -o lwgeom_export.o lwgeom_export.c
lwgeom_export.c: In function `LWGEOM_asGML':
lwgeom_export.c:264: error: too many arguments to function `lwgeom_to_gml3'

[pramsey]

I'll apply and ensure a patch submitted for this will work on other systems, but I'm not going to fix it directly.