Need $(ICONV_LIBS) in libxml2_la_LIBADD Daniel

* Makefile.am: Need $(ICONV_LIBS) in libxml2_la_LIBADD
Daniel
diff --git a/Makefile.am b/Makefile.am
index 9b2aa40..f52516d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -14,7 +14,7 @@
 bin_SCRIPTS=xml2-config
 
 lib_LTLIBRARIES = libxml2.la
-libxml2_la_LIBADD = @Z_LIBS@ -lm
+libxml2_la_LIBADD = @Z_LIBS@ $(ICONV_LIBS) -lm
 
 libxml2_la_LDFLAGS = -version-info @LIBXML_VERSION_INFO@