SDL2_gfx-1.0.4-bp153.1.1

- Added keyring to validate gpg signature of the source.
- Update to 1.0.4:
  * fix int overflow in ellipseRGBA for large radii
  * fix aaline wrong direction hline bug
  * fix off-by-1 error in rotateSurface90Degrees
  * fix to rotozoomSurfaceSizeTrig
  * fix for special case of roundedBoxRGBA

- Remove SDL2_gfx obsoletes (we never had packages of that name).
  Copy current Provides to baselibs.conf.

- Disable MMX not only on i586, but also ppc64, armv7l, etc.

- Update to new upstream release 1.0.1
  * Various minor and major fixes to drawing algorithms
  * Use of the SDLTest library for tests
  * pkg-config support.
- Only disable MMX for i586 (x86_64 has it implied)

- Set RPM groups to the same values as on the main SDL packages
- Own /usr/include/SDL2 as well

- created package (version 1.0.0)
  - based on SDL_gfx package