remove a warning check with uppercase for AIX iconv() should fix #352644

* HTMLparser.c: remove a warning
* encoding.c: check with uppercase for AIX iconv() should fix #352644
* doc/examples/Makefile.am: partially handle one bug report
Daniel
diff --git a/HTMLparser.c b/HTMLparser.c
index 3d2dffb..3e5d813 100644
--- a/HTMLparser.c
+++ b/HTMLparser.c
@@ -1047,7 +1047,7 @@
     for (indx = 0;indx < 100;indx ++) htmlStartCloseIndex[indx] = NULL;
     indx = 0;
     while ((htmlStartClose[i] != NULL) && (indx < 100 - 1)) {
-        htmlStartCloseIndex[indx++] = &htmlStartClose[i];
+        htmlStartCloseIndex[indx++] = (const char**) &htmlStartClose[i];
 	while (htmlStartClose[i] != NULL) i++;
 	i++;
     }