[ostree] README.md: Note make check

[Colin Walters <walters src gnome org>]

commit 8724adc19362cecd04f6704280d2f96227cc1af1
Author: Colin Walters <walters verbum org>
Date:   Tue Mar 10 21:51:20 2015 -0400

    README.md: Note make check

 README.md |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/README.md b/README.md
index ba6929e..41017b6 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,6 @@ You can:
 
 Please look at "git log" and match the commit log style.
 
-
 Running the test suite
 ----------------------
 
@@ -30,6 +29,11 @@ To run just ostree's tests:
     ./configure ... --enable-installed-tests
     gnome-desktop-testing-runner -p 0 ostree/
 
+Also, there is a regular:
+
+    make check
+
+That runs a different set of tests.
 
 Coding style
 ------------