[commit: ghc] master: Add braces for clarity (4ca8642)

[Ian Lynagh]

Repository : http://darcs.haskell.org/ghc.git/

On branch  : master

https://github.com/ghc/ghc/commit/4ca864277ce94b65e8be41e2ba929a7157f37f1b

>---------------------------------------------------------------

commit 4ca864277ce94b65e8be41e2ba929a7157f37f1b
Author: Ian Lynagh <ian at well-typed.com>
Date:   Sat Jun 15 16:41:21 2013 +0100

    Add braces for clarity

>---------------------------------------------------------------

 rts/RetainerProfile.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rts/RetainerProfile.c b/rts/RetainerProfile.c
index 10a947d..77dc77c 100644
--- a/rts/RetainerProfile.c
+++ b/rts/RetainerProfile.c
@@ -1768,9 +1768,10 @@ computeRetainerSet( void )
     // The following code assumes that WEAK objects are considered to be roots
     // for retainer profilng.
     for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
-        for (weak = generations[g].weak_ptr_list; weak != NULL; weak = weak->link)
+        for (weak = generations[g].weak_ptr_list; weak != NULL; weak = weak->link) {
             // retainRoot((StgClosure *)weak);
             retainRoot(NULL, (StgClosure **)&weak);
+        }
     }
 
     // Consider roots from the stable ptr table.