Fix the build by removing needless check for a git client.

Bump PORTREVISION.

devel/libbrotli/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	libbrotli
 PORTVERSION=	${BROTLI_VERSION}
+PORTREVISION=	1
 CATEGORIES=	devel archivers
 
 MAINTAINER=	osa@FreeBSD.org

devel/libbrotli/files/patch-autogen.sh

@@ -1,9 +1,15 @@
 --- autogen.sh.orig	2016-01-20 21:31:42 UTC
 +++ autogen.sh
-@@ -12,8 +12,6 @@ if test $? -ne 0; then
+@@ -6,14 +6,6 @@ if test $? -ne 0; then
    exit 1
  fi
  
+-GIT=`which git 2>/dev/null`
+-if test $? -ne 0; then
+-  echo "No 'git' found. You must install the git package."
+-  exit 1
+-fi
+-
 -$GIT submodule init
 -$GIT submodule update