Fix VersionOptionFromMember

Author: kopytk0

src/CommandLineUtils/Attributes/VersionOptionFromMemberAttribute.cs

@@ -64,7 +64,9 @@ internal CommandOption Configure(CommandLineApplication app, Type type, Func<obj
                 };
             }
 
-            return app.VersionOption(Template, shortFormGetter, longFormGetter);
+            var option = app.VersionOption(Template, shortFormGetter, longFormGetter);
+            Configure(option);
+            return option;
         }
     }
 }

test/CommandLineUtils.Tests/VersionOptionFromMemberAttributeTests.cs

@@ -2,6 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
+using System.Linq;
 using Xunit;
 
 namespace McMaster.Extensions.CommandLineUtils.Tests
@@ -67,5 +68,19 @@ public void ThrowWhenMemberDoesNotExist()
             });
             Assert.Equal(Strings.NoPropertyOrMethodFound("Version", typeof(MissingMethod)), ex.Message);
         }
+
+        [VersionOptionFromMember(Description = "42")]
+        private class Description
+        {
+        }
+
+        [Fact]
+        public void GetsDescriptionFromOption()
+        {
+            var app = new CommandLineApplication<Description>();
+            app.Conventions.UseVersionOptionFromMemberAttribute();
+
+            Assert.Equal("42", app.Options.First().Description);
+        }
     }
 }