Merge pull request rust-lang#1366 from foresterre/fix

Fix inconsistent formatting of Disambiguating Function Calls example

Author: ehuss

src/expressions/call-expr.md

@@ -48,7 +48,7 @@ trait Pretty {
 }
 
 trait Ugly {
-  fn print(&self);
+    fn print(&self);
 }
 
 struct Foo;