Merge pull request #834 from trylab/issue833

Fix issue 833.
static void bmp_mask_get_shift_and_prec(OPJ_UINT32 mask, OPJ_UINT32* shift, OPJ_UINT32* prec)
{
	OPJ_UINT32 l_shift, l_prec;
	
	l_shift = l_prec = 0U;
	
	if (mask != 0U) {
		while ((mask & 1U) == 0U) {
			mask >>= 1;
			l_shift++;
		}
		while (mask & 1U) {
			mask >>= 1;
			l_prec++;
		}
	}
	*shift = l_shift; *prec = l_prec;
}

static void bmp_mask_get_shift_and_prec(OPJ_UINT32 mask, OPJ_UINT32* shift, OPJ_UINT32* prec)
{
	OPJ_UINT32 l_shift, l_prec;
	
	l_shift = l_prec = 0U;
	
	if (mask != 0U) {
		while ((mask & 1U) == 0U) {
			mask >>= 1;
			l_shift++;
		}
		while (mask & 1U) {
			mask >>= 1;
			l_prec++;
		}
	}
	*shift = l_shift; *prec = l_prec;
}
