v5.3.2alpha
Bump the version number for 5.3.2alpha.
liblzma: Enable Intel CET in x86 CRC assembly codes
liblzma: Rename EROFS LZMA to MicroLZMA.
liblzma: Fix warnings from -Wsign-conversion.
liblzma: Add rough support for output-size-limited encoding in LZMA1.
liblzma: Fix unitialized variable.
liblzma: Fix missing normalization in rc_encode_dummy().
Rename unaligned_read32ne to read32ne, and similarly for the others.
Bump version to 5.3.0alpha and soname to 5.3.99.
liblzma: Fix Libs.private in liblzma.pc to include -lrt when needed.
Added public domain notice into a few files.
liblzma: Use symbol versioning.