tools/dosfstools: update to 4.2

Remove upstream backport.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

tools/dosfstools/Makefile

@@ -9,12 +9,12 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dosfstools
 PKG_CPE_ID:=cpe:/a:dosfstools_project:dosfstools
-PKG_VERSION:=4.1
+PKG_VERSION:=4.2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://github.com/dosfstools/dosfstools/releases/download/v$(PKG_VERSION)/ \
 		http://fossies.org/linux/misc
-PKG_HASH:=e6b2aca70ccc3fe3687365009dd94a2e18e82b688ed4e260e04b7412471cc173
+PKG_HASH:=ba7c716ff9b8208a3bba5094a77584a7dc814141de09ab4ce1ae9b84bbcd7844
 
 HOST_FIXUP:=autoreconf
 

tools/dosfstools/patches/0002-Switch-to-AC_CHECK_LIB-for-iconv-library-linking.patch

@@ -1,27 +0,0 @@
-From 1c6c135ee15e449c1bf2e76d5307f83a3a1d7425 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
-Date: Tue, 11 Oct 2016 12:07:48 +0200
-Subject: [PATCH] Switch to AC_CHECK_LIB for iconv library linking.
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-AC_SEARCH_LIB doesn't work properly for openwrt/lede when building dosfstools
-as a package.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
----
- configure.ac | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/configure.ac
-+++ b/configure.ac
-@@ -59,7 +59,7 @@ if test "x$with_udev" != "xno"; then
- 		  [true])
- fi
- 
--AC_SEARCH_LIBS(iconv_open, iconv)
-+AC_CHECK_LIB(iconv, iconv_open)
- 
- # xxd (distributed with vim) is used in the testsuite
- AC_CHECK_PROG([XXD_FOUND], [xxd], [yes])