PBCKP-698 allow relative paths in dir_create_dir

Author: Sergey Fukanchik

src/dir.c

@@ -155,7 +155,7 @@ dir_create_dir(const char *dir, mode_t mode, bool strict)
 	get_parent_directory(parent);
 
 	/* Create parent first */
-	if (access(parent, F_OK) == -1)
+	if (strlen(parent) > 0 && access(parent, F_OK) == -1)
 		dir_create_dir(parent, mode, false);
 
 	/* Create directory */