mufs: expose mufs_abspath()

include/fs/mufs.h

@@ -28,6 +28,7 @@ struct mufs_dirent {
 int mufs_mount(struct mufs *fs, struct flash_dev *dev);
 int mufs_format(struct flash_dev *dev);
 
+char *mufs_abspath(const char *path);
 struct mufs_dir *mufs_opendir(struct mufs *fs, const char *path);
 void mufs_closedir(struct mufs_dir *dir);
 int mufs_readdir(struct mufs_dir *dir, struct mufs_dirent *dirent);

source/fs/mufs/dir.c

@@ -18,7 +18,7 @@ struct mufs_dir {
 	uint32_t va;
 };
 
-static char *mufs_abspath(const char *path)
+char *mufs_abspath(const char *path)
 {
 	char *s, *p, *next, *prev;