Use the caller's span for apostrophe in Lifetime::new
diff --git a/src/lifetime.rs b/src/lifetime.rs
index e19cc97..6f00b56 100644
--- a/src/lifetime.rs
+++ b/src/lifetime.rs
@@ -68,7 +68,7 @@
         }
 
         Lifetime {
-            apostrophe: Span::call_site(),
+            apostrophe: span,
             ident: Ident::new(&s[1..], span),
         }
     }