[fix] geany don't build on gcc 4.2.1 archs

Index: Makefile
===================================================================
RCS file: /cvs/ports/devel/geany/Makefile,v
retrieving revision 1.58
diff -u -p -u -p -r1.58 Makefile
--- Makefile 29 Jun 2018 22:16:10 -0000 1.58
+++ Makefile 1 Oct 2018 19:34:58 -0000
@@ -18,6 +18,8 @@ PERMIT_PACKAGE_CDROM= Yes
MASTER_SITES= http://download.geany.org/
EXTRACT_SUFX= .tar.bz2

+# C++11
+COMPILER = base-clang ports-gcc
MODULES= textproc/intltool

USE_GMAKE= Yes
Hello, ports@!

this diff fiixes building devel/geany package on gcc arch (eg. sparc64):
require C++11 support to compiler...
ok?