Git 2.4.2

1. a25b5a3 thread-utils.c: detect CPU count on older BSD-like systems by Kyle J. McKay · 11 years ago
2. 380395d mingw: rename WIN32 cpp macro to GIT_WINDOWS_NATIVE by Jonathan Nieder · 13 years ago
3. c2e86ad Fix sparse warnings by Stephen Boyd · 15 years ago
4. 9374919 Thread-safe xmalloc and xrealloc needs a recursive mutex by Johannes Sixt · 16 years ago
5. 435bdf8 Make usage of windows.h lean and mean by Marius Storm-Olsen · 16 years ago
6. 833e3df pack-objects: Add runtime detection of online CPU's by Andreas Ericsson · 18 years ago