Fix 'time zone' spelling

Author: hazzik

src/NHibernate/Dialect/Schema/PostgreSQLMetadata.cs

@@ -161,18 +161,17 @@ private static string Normalize(string typeName)
 			{
 				return typeName.Replace("character varying", "varchar").Replace("character", "char");
 			}
-			
-			if (typeName.EndsWith("with timezone"))
+
+			if (typeName.EndsWith("with time zone"))
 			{
-				return (typeName.StartsWith("timestamp")
-					       ? typeName.Replace("timestamp", "timestamptz")
-					       : typeName.Replace("time", "timetz"))
-				       .Replace("with timezone", "").Trim();
+				return typeName.StartsWith("timestamp")
+					? typeName.Replace("with time zone", "").Replace("timestamp", "timestamptz").Trim()
+					: typeName.Replace("with time zone", "").Replace("time", "timetz").Trim();
 			}
 
-			if (typeName.EndsWith("without timezone"))
+			if (typeName.EndsWith("without time zone"))
 			{
-				return typeName.Replace("without timezone", "").Trim();
+				return typeName.Replace("without time zone", "").Trim();
 			}
 
 			return typeName;