- Clean up the usage of z_const and respect const usage within zlib
- Clean up examples/gzlog.[ch] comparisons of different types
- Avoid shift equal to bits in type (caused endless loop)
-- Fix unintialized value bug in gzputc() introduced by const patches
+- Fix uninitialized value bug in gzputc() introduced by const patches
- Fix memory allocation error in examples/zran.c [Nor]
- Fix bug where gzopen(), gzclose() would write an empty file
- Fix bug in gzclose() when gzwrite() runs out of memory