[master] 16e5338 fix regression from 1bb0688c9a744e3f89fe0624f58c1ba0d4347867

[Nils Goroll]

commit 16e5338ec62ec4206a2de6aa35bb95e52040eb5e
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Thu Apr 26 08:41:39 2018 +0200

    fix regression from 1bb0688c9a744e3f89fe0624f58c1ba0d4347867
    
    thanks to coverity

diff --git a/lib/libvmod_directors/vmod_shard.c b/lib/libvmod_directors/vmod_shard.c
index 58830b2..0a0fd90 100644
--- a/lib/libvmod_directors/vmod_shard.c
+++ b/lib/libvmod_directors/vmod_shard.c
@@ -815,7 +815,7 @@ shard_param_task(VRT_CTX, const void *id,
 	if (task->priv) {
 		p = task->priv;
 		CHECK_OBJ_NOTNULL(p, VMOD_SHARD_SHARD_PARAM_MAGIC);
-		assert(p->scope = SCOPE_TASK);
+		assert(p->scope == SCOPE_TASK);
 		/* XXX
 		VSL(SLT_Debug, 0,
 		    "shard_param_task(id %p, pa %p) = %p (found, ws=%p)",