more odbc

Author: ChrisJollyAU

src/EFCore.Jet/Storage/Internal/JetGuidTypeMapping.cs

@@ -24,6 +24,6 @@ protected override RelationalTypeMapping Clone(RelationalTypeMappingParameters p
         ///     Gets the string format to be used to generate SQL literals of this type.
         /// </summary>
         protected override string SqlLiteralFormatString
-            => "{{{0}}}";
+            => "'{{{0}}}'";
     }
 }