[CLEANUP] Remove assigned but unused variables

gcc (Debian 4.6.0-2) 4.6.1 20110329 (prerelease)
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

...
src/proto_http.c:3029:14: warning: variable ‘del_cl’ set but not used [-Wunused-but-set-variable]
In file included from ebtree/eb64tree.c:23:0:
ebtree/eb64tree.h: In function ‘__eb64_lookup’:
ebtree/eb64tree.h:128:6: warning: variable ‘node_bit’ set but not used [-Wunused-but-set-variable]
ebtree/eb64tree.h: In function ‘__eb64i_lookup’:
ebtree/eb64tree.h:180:6: warning: variable ‘node_bit’ set but not used [-Wunused-but-set-variable]
In file included from ebtree/ebpttree.h:26:0,
                 from ebtree/ebimtree.c:23:
ebtree/eb64tree.h: In function ‘__eb64_lookup’:
ebtree/eb64tree.h:128:6: warning: variable ‘node_bit’ set but not used [-Wunused-but-set-variable]
ebtree/eb64tree.h: In function ‘__eb64i_lookup’:
ebtree/eb64tree.h:180:6: warning: variable ‘node_bit’ set but not used [-Wunused-but-set-variable]
In file included from ebtree/ebpttree.h:26:0,
                 from ebtree/ebistree.h:25,
                 from ebtree/ebistree.c:23:
ebtree/eb64tree.h: In function ‘__eb64_lookup’:
ebtree/eb64tree.h:128:6: warning: variable ‘node_bit’ set but not used [-Wunused-but-set-variable]
ebtree/eb64tree.h: In function ‘__eb64i_lookup’:
ebtree/eb64tree.h:180:6: warning: variable ‘node_bit’ set but not used [-Wunused-but-set-variable]
diff --git a/src/proto_http.c b/src/proto_http.c
index 69232f9..39b7f28 100644
--- a/src/proto_http.c
+++ b/src/proto_http.c
@@ -3026,7 +3026,7 @@
 	struct http_req_rule *http_req_last_rule = NULL;
 	struct redirect_rule *rule;
 	struct cond_wordlist *wl;
-	int del_ka, del_cl, do_stats;
+	int do_stats;
 
 	if (unlikely(msg->msg_state < HTTP_MSG_BODY)) {
 		/* we need more data */
@@ -3138,8 +3138,6 @@
 	 * are there for the first time.
 	 */
 
-	del_cl = del_ka = 0;
-
 	if ((!(txn->flags & TX_HDR_CONN_PRS) &&
 	     (s->fe->options & (PR_O_KEEPALIVE|PR_O_SERVER_CLO|PR_O_HTTP_CLOSE|PR_O_FORCE_CLO))) ||
 	    ((s->fe->options & (PR_O_KEEPALIVE|PR_O_SERVER_CLO|PR_O_HTTP_CLOSE|PR_O_FORCE_CLO)) !=