[Minor] Workaround for old libicu (docs in libicu are still wrong)

diff --git a/src/libserver/html/html_entities.cxx b/src/libserver/html/html_entities.cxx
index 97c84f64e8183a2f986c723ef4da8d3c6314f8fc..d024c12e1d0bdf5866225e975dcd35890618e5b2 100644 (file)
--- a/src/libserver/html/html_entities.cxx
+++ b/src/libserver/html/html_entities.cxx
@@ -2399,7 +2399,7 @@ decode_html_entitles_inplace(char *s, std::size_t len, bool norm_spaces)
                                UBool is_error = 0;
 
                                if (uc > 0) {
-                                       U8_APPEND (s, off, len, uc, is_error);
+                                       U8_APPEND ((std::uint8_t *)s, off, len, uc, is_error);
 
                                        if (!is_error) {
                                                t = s + off;