glib: link to the Properties macro instead of mentioning Props

It looks like `Props` in the internal name for `Properties`, but that's not
something a documentation reader should know about. Let's link to the macro's
documentation with the name a consumer of the library will use.

glib/src/property.rs

@@ -61,14 +61,14 @@ impl<T: IsA<Object> + HasParamSpec> Property for SendWeakRef<T> {
 }
 
 // rustdoc-stripper-ignore-next
-/// A container type implementing this trait can be read by the default getter generated by the `Props` macro.
+/// A container type implementing this trait can be read by the default getter generated by the [`Properties`](crate::Properties) macro.
 pub trait PropertyGet {
     type Value;
     fn get<R, F: Fn(&Self::Value) -> R>(&self, f: F) -> R;
 }
 
 // rustdoc-stripper-ignore-next
-/// A container type implementing this trait can be written by the default setter generated by the `Props` macro.
+/// A container type implementing this trait can be written by the default setter generated by the [`Properties`](crate::Properties) macro.
 /// It takes a `FnOnce(&mut Self::Value)` so that the caller may access nested fields of a struct
 /// by doing `${Self::Value}.member`
 pub trait PropertySetNested {
@@ -77,7 +77,7 @@ pub trait PropertySetNested {
 }
 
 // rustdoc-stripper-ignore-next
-/// A container type implementing this trait can be written by the default setter generated by the `Props` macro.
+/// A container type implementing this trait can be written by the default setter generated by the [`Properties`](crate::Properties) macro.
 pub trait PropertySet {
     type SetValue;
     fn set(&self, v: Self::SetValue);