Unbreak autoconf check with clang by not using nested functions

net/jftpgw/Makefile

@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.26 2014/03/24 16:42:32 naddy Exp $
+# $OpenBSD: Makefile,v 1.27 2017/09/27 11:22:43 dcoppa Exp $
 
 COMMENT=	FTP proxy
 
 DISTNAME=	jftpgw-0.13.5
-REVISION=	0
+REVISION=	1
 CATEGORIES=	net
 MASTER_SITES=	http://www.mcknight.de/jftpgw/
 
@@ -14,7 +14,8 @@ PERMIT_PACKAGE_CDROM=	Yes
 WANTLIB=		c
 
 SEPARATE_BUILD=	Yes
-CONFIGURE_STYLE= gnu
+CONFIGURE_STYLE= autoconf
+AUTOCONF_VERSION=2.59
 CONFIGURE_ARGS+= --enable-crypt \
 		 --with-confpath="${SYSCONFDIR}" \
 		 --with-logpath="/var/log"

net/jftpgw/patches/patch-configure_in

@@ -0,0 +1,15 @@
+$OpenBSD: patch-configure_in,v 1.3 2017/09/27 11:22:43 dcoppa Exp $
+
+Index: configure.in
+--- configure.in.orig
++++ configure.in
+@@ -92,8 +92,7 @@ dnl partly from icecast
+ AH_TEMPLATE(HAVE_SOCKLEN_T, Do we have the socklen_t data type?)
+ AC_MSG_CHECKING([for unix98 socklen_t])
+ AC_TRY_COMPILE([#include <sys/socket.h>],
+-	    [typedef socklen_t int; 
+-	    int dummy (void) {return 1;}],
++	    [typedef socklen_t int;],
+ 	AC_MSG_RESULT(yes)
+ 	HAVE_SOCKLEN_T=yes,
+ 	AC_MSG_RESULT(no)