Fix configure (regression from 2018-09-22).

* configure.ac: Don't invoke gl_RELOCATABLE_LIBRARY.
diff --git a/libcharset/ChangeLog b/libcharset/ChangeLog
index 02378cd..bdb6414 100644
--- a/libcharset/ChangeLog
+++ b/libcharset/ChangeLog
@@ -1,3 +1,8 @@
+2019-01-27  Bruno Haible  <bruno@clisp.org>
+
+	Fix configure (regression from 2018-09-22).
+	* configure.ac: Don't invoke gl_RELOCATABLE_LIBRARY.
+
 2018-10-23  Bruno Haible  <bruno@clisp.org>
 
 	Remove outdated DJGPP build infrastructure.
diff --git a/libcharset/configure.ac b/libcharset/configure.ac
index 9bcf1fe..9d3d473 100644
--- a/libcharset/configure.ac
+++ b/libcharset/configure.ac
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2000-2003, 2005-2009, 2016, 2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2000-2003, 2005-2009, 2016, 2018-2019 Free Software Foundation, Inc.
 dnl This file is part of the GNU CHARSET Library.
 dnl
 dnl The GNU CHARSET Library is free software; you can redistribute it and/or
@@ -34,8 +34,6 @@
 
 dnl           checks for installer options
 
-gl_RELOCATABLE_LIBRARY
-
 dnl           checks for programs
 
 dnl           checks for UNIX variants that set DEFS