C#: Accept benign test changes

Author: RasmusWL

csharp/ql/test/query-tests/Security Features/CWE-089/SqlInjection.expected

@@ -124,7 +124,7 @@ models
 | 24 | Summary: System.IO; StreamReader; false; StreamReader; (System.IO.Stream,System.Text.Encoding); ; Argument[0]; Argument[this]; taint; manual |
 | 25 | Summary: System.IO; TextReader; true; ReadLine; (); ; Argument[this]; ReturnValue; taint; manual |
 | 26 | Summary: System.Web.UI.WebControls; TextBox; false; get_Text; (); ; Argument[this]; ReturnValue; taint; manual |
-| 27 | Source: System; Console; false; ReadLine; ; ; ReturnValue; local; manual |
+| 27 | Source: System; Console; false; ReadLine; ; ; ReturnValue; stdin; manual |
 | 28 | Summary: System; String; false; Trim; (); ; Argument[this]; ReturnValue; taint; manual |
 nodes
 | SecondOrderSqlInjection.cs:20:31:20:44 | access to local variable customerReader : SqlDataReader | semmle.label | access to local variable customerReader : SqlDataReader |

csharp/ql/test/query-tests/Security Features/CWE-134/UncontrolledFormatString.expected

@@ -17,7 +17,7 @@ edges
 | UncontrolledFormatStringBad.cs:9:25:9:47 | access to property QueryString : NameValueCollection | UncontrolledFormatStringBad.cs:9:25:9:61 | access to indexer : String | provenance | MaD:2 |
 | UncontrolledFormatStringBad.cs:9:25:9:61 | access to indexer : String | UncontrolledFormatStringBad.cs:9:16:9:21 | access to local variable format : String | provenance |  |
 models
-| 1 | Source: System; Console; false; ReadLine; ; ; ReturnValue; local; manual |
+| 1 | Source: System; Console; false; ReadLine; ; ; ReturnValue; stdin; manual |
 | 2 | Summary: System.Collections.Specialized; NameValueCollection; false; get_Item; (System.String); ; Argument[this]; ReturnValue; taint; df-generated |
 nodes
 | ConsoleUncontrolledFormatString.cs:8:13:8:18 | access to local variable format : String | semmle.label | access to local variable format : String |