Fix build with clang11

svn path=/head/; revision=547268

ftp/ncftp3/Makefile

@@ -3,7 +3,7 @@
 
 PORTNAME=	ncftp
 PORTVERSION=	3.2.6
-PORTREVISION?=	1
+PORTREVISION?=	2
 CATEGORIES=	ftp
 MASTER_SITES=	ftp://ftp.ncftp.com/ncftp/ \
 		ftp://ftp.mirrorservice.org/sites/ftp.ncftp.com/ncftp/
@@ -22,11 +22,6 @@ USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV+=	ac_cv_header_ncurses_h=yes
 
-CFLAGS+=		-fcommon
-
-DEPRECATED=	Unmaintained and dead upstream, does not build with -fno-common (llvm 11)
-EXPIRATION_DATE=2021-04-01
-
 PORTDOCS=	*
 
 LIBNCFTP=	libncftp.so.3

ftp/ncftp3/files/patch-sh__util_gpshare.c

@@ -0,0 +1,11 @@
+--- sh_util/gpshare.c.orig	2016-11-12 23:53:39 UTC
++++ sh_util/gpshare.c
+@@ -28,7 +28,7 @@
+ 
+ static int gIsAtty1 = 1, gIsAtty2 = 1;
+ extern int gLoadedBm, gBookmarkMatchMode;
+-Bookmark gBm;
++extern Bookmark gBm;
+ 
+ double
+ FileSize(double size, const char **uStr0, double *uMult0)