gnu: binutils: Update to 2.28.

* gnu/packages/base.scm (binutils): Update to 2.28.
[source]<patches>: Remove upstreamed patch.
[arguments]<#:configure-flags>: Remove "--disable-werror"
* gnu/packages/patches/binutils-mips-bash-bug.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -516,7 +516,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/bigloo-gc-shebangs.patch			\
   %D%/packages/patches/binutils-ld-new-dtags.patch		\
   %D%/packages/patches/binutils-loongson-workaround.patch	\
-  %D%/packages/patches/binutils-mips-bash-bug.patch		\
   %D%/packages/patches/byobu-writable-status.patch		\
   %D%/packages/patches/cairo-CVE-2016-9082.patch			\
   %D%/packages/patches/calibre-drop-unrar.patch			\

gnu/packages/base.scm

@@ -418,17 +418,16 @@ change.  GNU make offers many powerful extensions over the standard utility.")
 (define-public binutils
   (package
    (name "binutils")
-   (version "2.27")
+   (version "2.28")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnu/binutils/binutils-"
                                 version ".tar.bz2"))
             (sha256
              (base32
-              "125clslv17xh1sab74343fg6v31msavpmaa1c1394zsqa773g5rn"))
+              "0wiasgns7i8km8nrxas265sh2dfpsw93b3qw195ipc90w4z475v2"))
             (patches (search-patches "binutils-ld-new-dtags.patch"
-                                     "binutils-loongson-workaround.patch"
-                                     "binutils-mips-bash-bug.patch"))))
+                                     "binutils-loongson-workaround.patch"))))
    (build-system gnu-build-system)
 
    ;; TODO: Add dependency on zlib + those for Gold.
@@ -440,10 +439,6 @@ change.  GNU make offers many powerful extensions over the standard utility.")
                           ;; Don't search under /usr/lib & co.
                           "--with-lib-path=/no-ld-lib-path"
 
-                          ;; Glibc 2.17 has a "comparison of unsigned
-                          ;; expression >= 0 is always true" in wchar.h.
-                          "--disable-werror"
-
                           ;; Install BFD.  It ends up in a hidden directory,
                           ;; but it's here.
                           "--enable-install-libbfd"

gnu/packages/patches/binutils-mips-bash-bug.patch

@@ -1,22 +0,0 @@
-Bash 4.2.0(1)-release, which we use during bootstrap, does not yield the
-"x" case in:
-
-  case x"$EMULATION_NAME" in x) ;; *) ;; esac
-
-when 'EMULATION_NAME' is undefined.  Bash 4.3.30(1)-release doesn't have this
-problem.  Work around it.
-
-This Bash bug was fixed
-in <http://ftp.gnu.org/gnu/bash/bash-4.2-patches/bash42-007>.
-
---- a/ld/emulparams/elf32bmipn32-defs.sh
-+++ b/ld/emulparams/elf32bmipn32-defs.sh
-@@ -13,7 +13,7 @@ LITTLE_OUTPUT_FORMAT="elf32-littlemips"
- TEMPLATE_NAME=elf32
- EXTRA_EM_FILE=mipself
- 
--case x"$EMULATION_NAME" in
-+case "x$EMULATION_NAME" in
- xelf32*n32*) ELFSIZE=32 ;;
- xelf64*) ELFSIZE=64 ;;
- x) ;;