Fix windows specific issues

 - msvc compilation warnings
 - not released file handle that prevents file removal

src/fileops.c

@@ -305,6 +305,8 @@ static int _rmdir_recurs_cb(void *GIT_UNUSED(nil), char *path)
 {
 	int error = GIT_SUCCESS;
 
+	GIT_UNUSED_ARG(nil)
+
 	error = git_futils_isdir(path);
 	if (error == GIT_SUCCESS) {
 		size_t root_size = strlen(path);

src/fileops.h

@@ -106,7 +106,7 @@ extern git_off_t git_futils_filesize(git_file fd);
 extern int git_futils_rmdir_recurs(const char *path);
 
 /* Taken from git.git */
-static inline int is_dot_or_dotdot(const char *name)
+GIT_INLINE(int) is_dot_or_dotdot(const char *name)
 {
 	return (name[0] == '.' &&
 		(name[1] == '\0' ||

tests/t00-core.c

@@ -513,13 +513,14 @@ END_TEST
 
 BEGIN_TEST(rmdir1, "make sure non-empty dir cannot be deleted recusively")
 	char file[GIT_PATH_MAX];
+	int fd;
 
 	must_pass(setup_empty_tmp_dir());
 	git_path_join(file, empty_tmp_dir, "/two/file.txt");
-	must_pass(fd = p_creat(file, 0755));
+	fd = p_creat(file, 0755);
 	must_pass(fd);
-	must_fail(git_futils_rmdir_recurs(empty_tmp_dir));
 	must_pass(p_close(fd));
+	must_fail(git_futils_rmdir_recurs(empty_tmp_dir));
 	must_pass(p_unlink(file));
 	must_pass(git_futils_rmdir_recurs(empty_tmp_dir));
 END_TEST