Updated SDL12 packages fix security vulnerability

This release fixes various buffer overflows when parsing or processing damaged Waveform audio and BMP image files. - Fix CVE-2019-7577 (a buffer overread in MS_ADPCM_decode) (rhbz#1676510) - Fix CVE-2019-7575 (a buffer overwrite in MS_ADPCM_decode) (rhbz#1676744) - Fix CVE-2019-7574 (a buffer overread in IMA_ADPCM_decode) (rhbz#1676750) - Fix CVE-2019-7572 (a buffer overread in IMA_ADPCM_nibble) (rhbz#1676754) - Fix CVE-2019-7572 (a buffer overwrite in IMA_ADPCM_nibble) (rhbz#1676754) - Fix CVE-2019-7573, CVE-2019-7576 (buffer overreads in InitMS_ADPCM) (rhbz#1676752, rhbz#1676756) - Fix CVE-2019-7578 (a buffer overread in InitIMA_ADPCM) (rhbz#1676782) - Fix CVE-2019-7638, CVE-2019-7636 (buffer overflows when processing BMP images with too high number of colors) (rhbz#1677144, rhbz#1677157) - Fix CVE-2019-7637 (an integer overflow in SDL_CalculatePitch) (rhbz#1677152) - Fix CVE-2019-7635 (a buffer overread when blitting a BMP image with pixel colors out the palette) (rhbz#1677159) - Reject 2, 3, 5, 6, 7-bpp BMP images (rhbz#1677159)