CLEANUP: Fix spelling errors in comments

This is from the output of codespell. It's done at once over a bunch
of files and only affects comments, so there is nothing user-visible.
No backport needed.
diff --git a/src/http_act.c b/src/http_act.c
index 9a49368..dee738b 100644
--- a/src/http_act.c
+++ b/src/http_act.c
@@ -754,7 +754,7 @@
 
 /* parse an "http-response capture" action. It takes a single argument which is
  * a sample fetch expression. It stores the expression into arg->act.p[0] and
- * the allocated hdr_cap struct od the preallocated id into arg->act.p[1].
+ * the allocated hdr_cap struct of the preallocated id into arg->act.p[1].
  * It returns ACT_RET_PRS_OK on success, ACT_RET_PRS_ERR on error.
  */
 static enum act_parse_ret parse_http_res_capture(const char **args, int *orig_arg, struct proxy *px,