updated for version 7.1-194
diff --git a/src/os_unix.c b/src/os_unix.c
index 3acd6ac..0ccbf1a 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -5482,7 +5482,7 @@
 	{
 	    STRCPY(p, (*file)[i]);
 	    if (dir)
-		STRCAT(p, "/");	    /* add '/' to a directory name */
+		add_pathsep(p);	    /* add '/' to a directory name */
 	    (*file)[j++] = p;
 	}
     }