[test] adds missing new line at the end of test file

Author: theblixguy

test/decl/var/properties.swift

@@ -1305,4 +1305,4 @@ class SR_9267_C {
 
 class SR_9267_C2 {
   let SR_9267_prop_3: Int = { return 0 } // expected-error {{function produces expected type 'Int'; did you mean to call it with '()'?}} // expected-note {{Remove '=' to make 'SR_9267_prop_3' a computed property}}{{3-6=var}}{{27-29=}}
-}
+}