Merge branch 'rj/sparse'

* rj/sparse:
sparse: Fix mingw_main() argument number/type errors
compat/mingw.c: Fix some sparse warnings
compat/win32mmap.c: Fix some sparse warnings
compat/poll/poll.c: Fix a sparse warning
compat/win32/pthread.c: Fix a sparse warning
compat/unsetenv.c: Fix a sparse warning
compat/nedmalloc: Fix compiler warnings on linux
compat/nedmalloc: Fix some sparse warnings
compat/fnmatch/fnmatch.c: Fix a sparse error
compat/regex/regexec.c: Fix some sparse warnings

diff --combined Makefile
index 77f3f117c4ae8bf24cbd40758874b5c4d03141d5,450a1d44834525bf77b6e39c481ec81e59c04d35..7e44b67599daeae05526ea0d876233b7014cbc83
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -460,7 -460,6 +460,7 @@@ SCRIPT_SH += git-mergetool.s
  SCRIPT_SH += git-pull.sh
  SCRIPT_SH += git-quiltimport.sh
  SCRIPT_SH += git-rebase.sh
 +SCRIPT_SH += git-remote-testgit.sh
  SCRIPT_SH += git-repack.sh
  SCRIPT_SH += git-request-pull.sh
  SCRIPT_SH += git-stash.sh
@@@ -685,6 -684,7 +685,6 @@@ LIB_H += notes-cache.
  LIB_H += notes-merge.h
  LIB_H += notes.h
  LIB_H += object.h
 -LIB_H += pack-refs.h
  LIB_H += pack-revindex.h
  LIB_H += pack.h
  LIB_H += parse-options.h
@@@ -817,6 -817,7 +817,6 @@@ LIB_OBJS += notes-cache.
  LIB_OBJS += notes-merge.o
  LIB_OBJS += object.o
  LIB_OBJS += pack-check.o
 -LIB_OBJS += pack-refs.o
  LIB_OBJS += pack-revindex.o
  LIB_OBJS += pack-write.o
  LIB_OBJS += pager.o
@@@ -2003,6 -2004,7 +2003,7 @@@ endi
  ifdef USE_NED_ALLOCATOR
  compat/nedmalloc/nedmalloc.sp compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
        -DNDEBUG -DOVERRIDE_STRDUP -DREPLACE_SYSTEM_ALLOCATOR
+ compat/nedmalloc/nedmalloc.sp: SPARSE_FLAGS += -Wno-non-pointer-null
  endif
  
  git-%$X: %.o GIT-LDFLAGS $(GITLIBS)