common protect_rsqb: remove an open coded 'agxblen'

Gitlab: #2302

diff --git a/lib/common/htmllex.c b/lib/common/htmllex.c
index ca3ed3b60686b097fce358f6855da1d6eda98cb9..2c8febc3f33077a53df77b97853861d497fab5fc 100644 (file)
--- a/lib/common/htmllex.c
+++ b/lib/common/htmllex.c
@@ -882,7 +882,7 @@ static char *findNext(char *s, agxbuf* xb)
 static void protect_rsqb(agxbuf *xb) {
 
   // if the buffer is empty, we have nothing to do
-  if (xb->buf == xb->ptr) {
+  if (agxblen(xb) == 0) {
     return;
   }