Siege 3.0.3

Closes #22165.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Redis 2.6.16

Closes #22168.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
SDL2_image 2.0.0

A very simple formula to install sdl2_image.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
SDL2_ttf 2.0.12

A very simple formula to install sdl2_ttf.

Closes #22171.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>