fix error message

Author: FrancescoDiSalesGithub

src/main/java/com/francescodisalesdev/gitcli/service/GitService.java

@@ -246,7 +246,7 @@ public void getUserInfo(String username) throws IOException
         String email = user.getEmail();
 
         if(email == null)
-            email = ErrorMessages.MAIL_NOT_SETTED.toString();
+            email = ErrorMessages.MAIL_NOT_SET.toString();
 
         System.out.println("username: "+username);
         System.out.println("email: "+email );

src/main/java/com/francescodisalesdev/gitcli/utility/ErrorMessages.java

@@ -32,7 +32,7 @@ public String toString() {
                     return "User not found";
                 }
             },
-    MAIL_NOT_SETTED
+    MAIL_NOT_SET
             {
                 @Override
                 public String toString() {