Correctly close indentation blocks when pretty printing non-inline module

Author: tinco

Diff for: src/libsyntax/print/pprust.rs

@@ -1270,13 +1270,14 @@ impl<'a> State<'a> {
                 self.print_ident(item.ident)?;
 
                 if _mod.inline || self.is_expanded {
-                    println!("Going to print inline anyway");
                     self.nbsp()?;
                     self.bopen()?;
                     self.print_mod(_mod, &item.attrs)?;
                     self.bclose(item.span)?;
                 } else {
                     self.s.word(";")?;
+                    self.end()?; // end inner head-block
+                    self.end()?; // end outer head-block
                 }
 
             }

Diff for: src/test/pretty/issue_12590_c.rs

@@ -8,8 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// pp-exact:issue_12590_c.pp
+// pretty-compare-only
 // pretty-mode:expanded
+// pp-exact:issue_12590_c.pp
 
 // The next line should be expanded