Mesa (master): clover: Fix missing minus sign in 'iterator_adaptor:: operator-='.

[Francisco Jerez]

Module: Mesa
Branch: master
Commit: ce34158680bca4de85499fb8addaf766bf3159cf
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ce34158680bca4de85499fb8addaf766bf3159cf

Author: Francisco Jerez <currojerez at riseup.net>
Date:   Tue Nov 26 22:27:52 2013 -0800

clover: Fix missing minus sign in 'iterator_adaptor::operator-='.

The method is currently unused, this probably doesn't fix anything at
this point.

---

 src/gallium/state_trackers/clover/util/adaptor.hpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/gallium/state_trackers/clover/util/adaptor.hpp b/src/gallium/state_trackers/clover/util/adaptor.hpp
index fafb01f..e903596 100644
--- a/src/gallium/state_trackers/clover/util/adaptor.hpp
+++ b/src/gallium/state_trackers/clover/util/adaptor.hpp
@@ -111,7 +111,7 @@ namespace clover {
 
          iterator_adaptor &
          operator-=(difference_type n) {
-            tuple::map(advances_by(n), its);
+            tuple::map(advances_by(-n), its);
             return *this;
          }