A bunch of renames and just plain removal (where the
struct was never used):
 * s/qxl_cursor_cmd/QXLCursorCmd/
 * s/qxl_mode/QXLMode/
 * s/qxl_command/QXLCommand/
 * remove qxl_command_ext
 * s/qxl_rect/QXLRect/
 * s/qxl_release_info/QXLReleaseInfo/
 * remove QXLReleaseInfo_ext (prev qxl_release_info_ext)
 * s/qxl_clip/QXLClip/
 * s/qxl_point/QXLPoint/
 * s/qxl_pattern/QXLPattern/
 * s/qxl_point16/QXLPoint16/
 * s/qxl_brush/QXLBrush/
 * s/qxl_mask/QXLQMask/
 * s/QXL_BRUSH/SPICE_BRUSH/
 * s/QXL_IMAGE/SPICE_IMAGE/
 * s/qxl_image_descriptor/QXLImageDescriptor/
 * s/qxl_data_chunk/QXLDataChunk/
 * s/qxl_bitmap_format/SpiceBitmapFmt/
 * s/qxl_bitmap/QXLBitmap/
 * s/qxl_image/QXLImage/
 * s/qxl_fill/QXLFill/
 * s/qxl_opaque/QXLOpaque/
 * s/qxl_copy/QXLCopy/
 * s/qxl_transparent/QXLTransparent/
 * s/qxl_alpha_blend/QXLAlphaBlend/
 * s/qxl_copy_bits/QXLCopyBits/
 * s/qxl_blend/QXLBlend/
 * s/qxl_rop3/QXLRop3/
 * s/qxl_line_attr/QXLLineAttr/
 * s/qxl_stroke/QXLStroke/
 * s/qxl_text/QXLText/
 * use QXLBlackness,QXLInvers (typo needs fixing later), QXLWhiteness
 * s/QXL_CLIP_TYPE/SPICE_CLIP_TYPE/
 * s/qxl_compat_drawable/QXLCompatDrawable/
 * s/qxl_drawable/QXLDrawable/
 * s/qxl_surface_cmd/QXLSurfaceCmd/
 * remove qxl_compat_update_cmd
 * remove qxl_update_cmd
 * remove QXL_CURSOR_DEVICE_DATA_SIZE
 * s/CURSOR_TYPE/SPICE_CURSOR_TYPE/
 * s/qxl_cursor/QXLCursor/
 * s/qxl_rom/QXLRom/
 * remove QXL_SURF_TYPE_PRIMARY
 * s/qxl_surface_create/QXLSurfaceCreate/