Rename the V1L VDP to get in line with oder VDPs

bin/varnishd/http1/cache_http1.h

@@ -65,4 +65,4 @@ void V1L_Open(struct worker *, struct ws *, int *fd, struct vsl_log *,
 stream_close_t V1L_Flush(const struct worker *w);
 stream_close_t V1L_Close(struct worker *w, uint64_t *cnt);
 size_t V1L_Write(const struct worker *w, const void *ptr, ssize_t len);
-extern const struct vdp * const v1l_vdp;
+extern const struct vdp * const VDP_v1l;

bin/varnishd/http1/cache_http1_deliver.c

@@ -97,7 +97,7 @@ V1D_Deliver(struct req *req, struct boc *boc, int sendbody)
 		}
 		INIT_OBJ(ctx, VRT_CTX_MAGIC);
 		VCL_Req2Ctx(ctx, req);
-		if (VDP_Push(ctx, req->vdc, req->ws, v1l_vdp, NULL)) {
+		if (VDP_Push(ctx, req->vdc, req->ws, VDP_v1l, NULL)) {
 			v1d_error(req, "Failure to push v1d processor");
 			return;
 		}

bin/varnishd/http1/cache_http1_line.c

@@ -365,7 +365,7 @@ v1l_bytes(struct vdp_ctx *vdc, enum vdp_action act, void **priv,
 	return (0);
 }
 
-const struct vdp * const v1l_vdp = &(struct vdp){
+const struct vdp * const VDP_v1l = &(struct vdp){
 	.name =		"V1B",
 	.bytes =	v1l_bytes,
 };