[PPC64] Get "make check" to work on PPC64 Linux.  Add a README entry
	describing the expected results.
diff --git a/README b/README
index 1e15c28..7a33afd 100644
--- a/README
+++ b/README
@@ -168,6 +168,11 @@
      tests/Gtest-resume-sig
      tests/Ltest-resume-sig
 
+** Expected results on PPC64 Linux
+
+"make check" should run with no more than 10 out of 24 tests failed.
+
+
 * Performance Testing
 
 This distribution includes a few simple performance tests which give