mpd: update to 0.23.8

Simplify iconv patch.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
(cherry picked from commit 63ba2ccbda)

sound/mpd/Makefile

@@ -6,12 +6,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mpd
-PKG_VERSION:=0.23.5
+PKG_VERSION:=0.23.8
 PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://www.musicpd.org/download/mpd/0.23
-PKG_HASH:=f22c2c25093a05f4566f9cd7207cfbcd8405af67ed29a989bcf8905f80b7a299
+PKG_HASH:=86bb569bf3b519821f36f6bb5564e484e85d2564411b34b200fe2cd3a04e78cf
 
 PKG_MAINTAINER:=
 PKG_LICENSE:=GPL-2.0-or-later

sound/mpd/patches/010-iconv.patch

@@ -18,24 +18,22 @@ Signed-off-by: Rosen Penev <rosenp@gmail.com>
 
 --- a/src/lib/icu/meson.build
 +++ b/src/lib/icu/meson.build
-@@ -18,8 +18,18 @@ if icu_dep.found()
+@@ -19,16 +19,8 @@ if icu_dep.found()
      'Init.cxx',
    ]
  elif not get_option('iconv').disabled()
--  have_iconv = compiler.has_function('iconv', prefix : '#include <iconv.h>')
+-  # an installed iconv library will make the builtin iconv() unavailable,
+-  # so search for the library first and pass it as (possible) dependency
+-  iconv_dep = compiler.find_library('libiconv', required: false)
+-  have_iconv = compiler.has_function('iconv', 
+-    dependencies: iconv_dep, 
+-    prefix : '#include <iconv.h>')
+-  if not have_iconv and get_option('iconv').enabled()
+-    error('iconv() not available')
+-  endif
 -  conf.set('HAVE_ICONV', have_iconv)
-+  have_iconv = c_compiler.has_header_symbol('iconv.h', 'iconv')
-+  if have_iconv
-+    libiconv = c_compiler.find_library('iconv', required : false)
-+    conf.set('HAVE_ICONV', have_iconv)
-+    libiconv_dep = static_library('iconv', icu_sources, include_directories: inc, dependencies: libiconv)
-+    icu_dep = declare_dependency(link_with: libiconv_dep, dependencies: util_dep)
-+  endif
-+  if not have_iconv and c_compiler.has_function('iconv')
-+    libiconv = []
-+    have_iconv = true
-+    conf.set('HAVE_ICONV', have_iconv)
-+  endif
-   if not have_iconv and get_option('iconv').enabled()
-     error('iconv() not available')
-   endif
++  iconv_dep = dependency('iconv')
++  conf.set('HAVE_ICONV', iconv_dep.found())
+ endif
+ 
+ icu = static_library(