add je_uninit() & malloc_mutex_uninit(), and another small fixed.

Signed-off-by: shines77 <gz_shines@msn.com>
add je_uninit() & malloc_mutex_uninit(), and another small fixed.

Signed-off-by: shines77 <gz_shines@msn.com>
Merge branch 'next' of https://github.com/shines77/jemalloc-win32 into next

Conflicts:
	src/jemalloc.c
	test/jemalloc_main.c
Added jemallocpp_test project (use C++)
and modify strings.h about ffs/ffsl function.

Signed-off-by: shines77 <gz_shines@msn.com>
Merge branch 'next'