Fix MANDIR after it got zapped in the previous change.

graphics/giflib/distinfo

@@ -1,7 +1,7 @@
-$NetBSD: distinfo,v 1.20 2020/01/11 13:33:31 schmonz Exp $
+$NetBSD: distinfo,v 1.21 2020/01/22 20:46:49 sevan Exp $
 
 SHA1 (giflib-5.2.1.tar.gz) = c3f774dcbdf26afded7788979c8081d33c6426dc
 RMD160 (giflib-5.2.1.tar.gz) = bc4be3ddaef877e4fd546b1240fe94dec8ef3e27
 SHA512 (giflib-5.2.1.tar.gz) = 4550e53c21cb1191a4581e363fc9d0610da53f7898ca8320f0d3ef6711e76bdda2609c2df15dc94c45e28bff8de441f1227ec2da7ea827cb3c0405af4faa4736
 Size (giflib-5.2.1.tar.gz) = 444187 bytes
-SHA1 (patch-Makefile) = 184181cf8d7b7da4aa179931e034a43c2b0be266
+SHA1 (patch-Makefile) = 9a65622d3ac2cfffef06c743b917693513f1cd7c

graphics/giflib/patches/patch-Makefile

@@ -1,4 +1,4 @@
-$NetBSD: patch-Makefile,v 1.2 2020/01/11 13:33:31 schmonz Exp $
+$NetBSD: patch-Makefile,v 1.3 2020/01/22 20:46:49 sevan Exp $
 
 - Inherit the PREFIX rather than hard-coding it.
 - Adjust location where manuals are installed.
@@ -7,7 +7,7 @@ $NetBSD: patch-Makefile,v 1.2 2020/01/11 13:33:31 schmonz Exp $
 
 --- Makefile.orig	2019-06-24 16:08:57.000000000 +0000
 +++ Makefile
-@@ -14,7 +14,7 @@ SHELL = /bin/sh
+@@ -14,11 +14,11 @@ SHELL = /bin/sh
  TAR = tar
  INSTALL = install
  
@@ -16,6 +16,11 @@ $NetBSD: patch-Makefile,v 1.2 2020/01/11 13:33:31 schmonz Exp $
  BINDIR = $(PREFIX)/bin
  INCDIR = $(PREFIX)/include
  LIBDIR = $(PREFIX)/lib
+-MANDIR = $(PREFIX)/share/man
++MANDIR = $(PREFIX)/man
+ 
+ # No user-serviceable parts below this line
+ 
 @@ -37,6 +37,8 @@ USOURCES = qprintf.c quantize.c getarg.c
  UHEADERS = getarg.h
  UOBJECTS = $(USOURCES:.c=.o)