[balsa] Remove obsolete code for using libiconv

[Peter Bloomfield <peterb src gnome org>]

commit 46759b8e12ec9c6eb9e6cdee2e88e7034255b239
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Sun Oct 23 08:21:45 2016 -0400

    Remove obsolete code for using libiconv
    
        * configure.ac: remove --with-iconv option.
        * libbalsa/address-book-ldap.c: do not include iconv.h.
        * src/balsa-message.c: ditto.

 ChangeLog                    |    8 ++++++++
 configure.ac                 |    8 --------
 libbalsa/address-book-ldap.c |    1 -
 src/balsa-message.c          |    1 -
 4 files changed, 8 insertions(+), 10 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index a1eb709..a9170d3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2016-10-23  Peter Bloomfield  <pbloomfield bellsouth net>
+
+       We no longer use libiconv.
+
+       * configure.ac: remove --with-iconv option.
+       * libbalsa/address-book-ldap.c: do not include iconv.h.
+       * src/balsa-message.c: ditto.
+
 2016-10-21  Peter Bloomfield  <pbloomfield bellsouth net>
 
        Fix deprecation issues in gtk 3.22
diff --git a/configure.ac b/configure.ac
index ac0ae1b..5d2312a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -125,14 +125,6 @@ AC_ARG_WITH([spell-checker],
             [use_spell_checker=$withval],
             [use_spell_checker=no])
 
-AC_ARG_WITH(iconv,      
-   AC_HELP_STRING([--with-iconv=DIR],
-                  [Where libiconv is installed]),
-                 [if test "$with_iconv" != yes -a "$with_iconv" != no ; then
-                   CPPFLAGS="-I${with_iconv}/include $CPPFLAGS"
-                   LDFLAGS="-liconv -L${with_iconv}/lib $LDFLAGS"
-                  fi])
-
 AC_ARG_WITH([ldap],
    AC_HELP_STRING([--with-ldap=DIR],
                   [Use OpenLDAP if available (default=no)]),
diff --git a/libbalsa/address-book-ldap.c b/libbalsa/address-book-ldap.c
index 5aa976b..ab2d06d 100644
--- a/libbalsa/address-book-ldap.c
+++ b/libbalsa/address-book-ldap.c
@@ -43,7 +43,6 @@
 #include <string.h>
 #include <lber.h>
 #include <ldap.h>
-#include <iconv.h>
 
 #ifdef HAVE_CYRUS_SASL
 #include <sasl.h>
diff --git a/src/balsa-message.c b/src/balsa-message.c
index 0cc5fea..1772fc4 100644
--- a/src/balsa-message.c
+++ b/src/balsa-message.c
@@ -26,7 +26,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>
-#include <iconv.h>
 #include <sys/utsname.h>
 
 #include "balsa-app.h"