att: do not print "not handled" error msg wrongly

BUG=b:74813838
TEST=no msg anymore
Change-Id: Ia38d27ad5837058a69bb23353b53ed9d6ec1482c
diff --git a/att.c b/att.c
index af4ff45..10af5ba 100644
--- a/att.c
+++ b/att.c
@@ -3119,8 +3119,10 @@
         else {
             wi->who = from;
             wi->cli.trans = trans;
-            if (workQueuePut(mWorkQ, wi))
+            if (workQueuePut(mWorkQ, wi)) {
                 s = NULL;
+                ret = true;
+            }
             else {
                 free(wi);
                 loge("Failed to enqueue work item\n");
@@ -3159,8 +3161,10 @@
             wi->cliIndNotif.needsAck = opcode == ATT_OPCODE_HANDLE_VALUE_IND;
             wi->cliIndNotif.data = s;
             wi->cliIndNotif.handle = utilGetLE16(&notif.handle);
-            if (workQueuePut(mWorkQ, wi))
+            if (workQueuePut(mWorkQ, wi)) {
                 s = NULL;
+                ret = true;
+            }
             else {
                 free(wi);
                 loge("Failed to enqueue work item\n");