[tests] Add new line to the end of the files

Author: HassanElDesouky

test/diagnostics/Localization/en_localization.swift

@@ -9,4 +9,4 @@ var self1 = self1
 struct Broken {
   var b : Bool = True // expected-error{{cannot find 'True' in scope}}
 }
-var v1 : Int[1 // expected-error {{expected ']' in array type}} expected-note {{to match this opening '['}}
+var v1 : Int[1 // expected-error {{expected ']' in array type}} expected-note {{to match this opening '['}}

test/diagnostics/Localization/fr_localization.swift

@@ -15,4 +15,4 @@ var self1 = self1 // expected-note 2{{through reference here}}
 struct Broken {
   var b : Bool = True // expected-error{{impossible de trouver 'True' portée}}
 }
-var v1 : Int[1 // expected-error {{expected ']' in array type}} expected-note {{to match this opening '['}}
+var v1 : Int[1 // expected-error {{expected ']' in array type}} expected-note {{to match this opening '['}}