fix CMakelists version

[sjakk]

adding specific version to CMakelists may cause errors in building time

[AntonioND]

But this is expected. SDL 2.0.2 wouldn't work, for example. What version are you using?

[sjakk]

im using 2.26 and specifying the version results in error i got some troubles thinking that was my version of sdl but after installed and reinstalled others versions i just remove the specific version from CMakelists and worked pretty well in the last version of sdl

[sjakk]

But this is expected. SDL 2.0.2 wouldn't work, for example. What version are you using?

here what happens