Fix a pair of utf-8 array lengths.

third_party/libxml/src/xmlsave.c

 /*
  * xmlsave.c: Implemetation of the document serializer
  *
  * See Copyright for the status of this software.
  *
  * daniel@veillard.com
  */
 
 #define IN_LIBXML
 #include "libxml.h"
@@ skipping 230 matching lines @@
                    (*in == '\n') || (*in == '\t')) {
             /*
              * default case, just copy !
              */
             *out++ = *in++;
             continue;
         } else if (*in >= 0x80) {
             /*
              * We assume we have UTF-8 input.
              */
-            if (outend - out < 10) break;
+            if (outend - out < 11) break;
 
             if (*in < 0xC0) {
                 xmlSaveErr(XML_SAVE_NOT_UTF8, NULL, NULL);
                 in++;
                 goto error;
             } else if (*in < 0xE0) {
                 if (inend - in < 2) break;
                 val = (in[0]) & 0x1F;
                 val <<= 6;
                 val |= (in[1]) & 0x3F;
@@ skipping 1659 matching lines @@
             if (base != cur)
                 xmlBufferAdd(buf, base, cur - base);
             xmlBufferAdd(buf, BAD_CAST "&amp;", 5);
             cur++;
             base = cur;
         } else if ((*cur >= 0x80) && ((doc == NULL) ||
                                       (doc->encoding == NULL))) {
             /*
              * We assume we have UTF-8 content.
              */
-            unsigned char tmp[10];
+            unsigned char tmp[12];
             int val = 0, l = 1;
 
             if (base != cur)
                 xmlBufferAdd(buf, base, cur - base);
             if (*cur < 0xC0) {
                 xmlSaveErr(XML_SAVE_NOT_UTF8, (xmlNodePtr) attr, NULL);
                 if (doc != NULL)
                     doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
                 xmlSerializeHexCharRef(tmp, *cur);
                 xmlBufferAdd(buf, (xmlChar *) tmp, -1);
@@ skipping 598 matching lines @@
  */
 int
 xmlSaveFile(const char *filename, xmlDocPtr cur) {
     return(xmlSaveFormatFileEnc(filename, cur, NULL, 0));
 }
 
 #endif /* LIBXML_OUTPUT_ENABLED */
 
 #define bottom_xmlsave
 #include "elfgcchack.h"