Gardening: typo in CoreTransactionGetResult.toString()

Change-Id: Ib61f4253e3daa027df32a1d2026ca8f2fce4a88f
Reviewed-on: https://review.couchbase.org/c/couchbase-jvm-clients/+/215592
Reviewed-by: David Nault <david.nault@couchbase.com>
Tested-by: David Nault <david.nault@couchbase.com>

Author: dnault

core-io/src/main/java/com/couchbase/client/core/transaction/CoreTransactionGetResult.java

@@ -95,7 +95,7 @@ public CoreTransactionGetResult(String id,
     public String toString() {
         final StringBuilder sb = new StringBuilder("TransactionGetResultInternal{");
         sb.append("id=").append(DebugUtil.docId(collection, id));
-        sb.append("userFlags=").append(userFlags);
+        sb.append(",userFlags=").append(userFlags);
         sb.append(",cas=").append(cas);
         sb.append(",bucket=").append(collection.bucket());
         sb.append(",scope=").append(collection.scope());