Update grapics/feh to 2.23.1

ChangeLog: https://feh.finalrewind.org/archive/2.23.1/

graphics/feh/Makefile

@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	feh
-PORTVERSION=	2.23
+PORTVERSION=	2.23.1
 CATEGORIES=	graphics
 MASTER_SITES=	http://feh.finalrewind.org/ \
 		LOCAL/uqs
@@ -22,7 +22,7 @@ USES=		cpe desktop-file-utils gmake perl5 shebangfix tar:bzip2
 CPE_VENDOR=	daniel_friesel
 USE_PERL5=	run
 
-CPPFLAGS+=	-I${LOCALBASE}/include
+CFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
 MAKE_ENV+=	LDFLAGS="${LDFLAGS}"
 

graphics/feh/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1514713644
-SHA256 (feh-2.23.tar.bz2) = 16df3cb813526a549e854aa82f80bcb299b9e83dd687ab4216a84e86f61722a1
-SIZE (feh-2.23.tar.bz2) = 2130344
+TIMESTAMP = 1518263586
+SHA256 (feh-2.23.1.tar.bz2) = 9bc164d0863d41201bd253a2652dcee5806a9c6a8b5918bb8ba09fcee6d7e9be
+SIZE (feh-2.23.1.tar.bz2) = 2130373

graphics/feh/files/patch-config.mk

@@ -1,4 +1,4 @@
---- config.mk.orig	2017-12-28 18:28:35 UTC
+s--- config.mk.orig	2017-12-28 18:28:35 UT2
 +++ config.mk
 @@ -22,12 +22,12 @@ endif
  
@@ -15,12 +15,3 @@
  desktop_dir = ${main_dir}/share/applications
  icon_dir = ${ICON_PREFIX}/hicolor
  48_icon_dir = ${icon_dir}/48x48/apps
-@@ -38,7 +38,7 @@ CFLAGS ?= -g -O2
- CFLAGS += -Wall -Wextra -pedantic
- 
- # Settings for glibc >= 2.19 - may need to be adjusted for other systems
--CFLAGS += -std=c11 -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=500
-+CFLAGS += -std=c11
- 
- ifeq (${curl},1)
- 	CFLAGS += -DHAVE_LIBCURL