loplugin:unreffun

Change-Id: Ib53eb3da4810202ad60349566cdef74be89418c8
diff --git a/basebmp/source/bitmapdevice.cxx b/basebmp/source/bitmapdevice.cxx
index 01bfe25..a50f0df 100644
--- a/basebmp/source/bitmapdevice.cxx
+++ b/basebmp/source/bitmapdevice.cxx
@@ -1901,29 +1901,6 @@ BitmapDeviceSharedPtr createRenderer(
                                      pDamage);
}


// TODO(Q3): consolidate with canvas/canvastools.hxx! Best move this
// to o3tl or sal/bithacks.hxx ...

/** Compute the next highest power of 2 of a 32-bit value

    Code devised by Sean Anderson, in good ole HAKMEM
    tradition.

    @return 1 << (lg(x - 1) + 1)
*/
inline sal_uInt32 nextPow2( sal_uInt32 x )
{
    --x;
    x |= x >> 1;
    x |= x >> 2;
    x |= x >> 4;
    x |= x >> 8;
    x |= x >> 16;

    return ++x;
}

namespace
{
BitmapDeviceSharedPtr createBitmapDeviceImplInner( const basegfx::B2IVector&                  rSize,