-Werror=shift-negative-value (GCC 6)

Change-Id: Ifc7b1d6675a8e8fb41dd47cc1282059c3790736f

1 files changed, 3 insertions, 3 deletions

diff --git a/basebmp/inc/packedpixeliterator.hxx b/basebmp/inc/packedpixeliterator.hxx
index 776a45e8e8f9..693f59b51be8 100644
--- a/basebmp/inc/packedpixeliterator.hxx
+++ b/basebmp/inc/packedpixeliterator.hxx
@@ -78,7 +78,7 @@ public:
         num_intraword_positions=sizeof(value_type)*8/bits_per_pixel,
         /** Bit mask for one pixel (least significant bits)
          */
-        bit_mask=~(~0 << bits_per_pixel)
+        bit_mask=~(~0u << bits_per_pixel)
     };
 
 private:
@@ -238,7 +238,7 @@ public:
         num_intraword_positions=sizeof(value_type)*8/bits_per_pixel,
         /** Bit mask for one pixel (least significant bits)
          */
-        bit_mask=~(~0 << bits_per_pixel)
+        bit_mask=~(~0u << bits_per_pixel)
     };
 
 private:
@@ -477,7 +477,7 @@ public:
         num_intraword_positions=sizeof(value_type)*8/bits_per_pixel,
         /** Bit mask for one pixel (least significant bits)
          */
-        bit_mask=~(~0 << bits_per_pixel)
+        bit_mask=~(~0u << bits_per_pixel)
     };
 
     // TODO(F2): direction of iteration (ImageIterator can be made to