Change 'printf("%s\n", ...)' into 'puts(...)'.  Noted and patched in hostname.c
by Larry Doolittle.
diff --git a/shell/lash.c b/shell/lash.c
index 89a8fe6..cb17e2d 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -416,7 +416,7 @@
 	cwd = xgetcwd((char *)cwd);
 	if (!cwd)
 		cwd = unknown;
-	printf( "%s\n", cwd);
+	puts(cwd);
 	return EXIT_SUCCESS;
 }
 
@@ -429,7 +429,7 @@
 	if (v == NULL) {
 		char **e;
 		for (e = environ; *e; e++) {
-			printf( "%s\n", *e);
+			puts(*e);
 		}
 		return 0;
 	}