Merge pull request htacg#3 from readdle/fix/spa-660-tidy-hangs-on-specific-message

SPA 660 - Tidy hangs on specific message [Android only]

Author: andriydruk

src/lexer.c

@@ -3013,6 +3013,9 @@ static Node* GetTokenFromStream( TidyDocImpl* doc, GetTokenMode mode )
 
             case LEX_STARTTAG: /* first letter of tagname */
                 c = TY_(ReadChar)(doc->docIn);
+                if (c == EndOfStream) {
+                    continue;
+                }
                 ChangeChar(lexer, (tmbchar)c);
                 lexer->txtstart = lexer->lexsize - 1; /* set txtstart to first letter */
                 c = ParseTagName( doc );