Avoid a warning.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@9271 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/memcheck/tests/unit_libcbase.c b/memcheck/tests/unit_libcbase.c
index 681fb15..b44c4bf 100644
--- a/memcheck/tests/unit_libcbase.c
+++ b/memcheck/tests/unit_libcbase.c
@@ -442,7 +442,6 @@
    CHECK( -1 == VG_(log2)(2147483649U) );
 
    CHECK( -1 == VG_(log2)(4294967295U) );    // Max UInt
-   CHECK( -1 == VG_(log2)(4294967296U) );    // Wraps to 0, so answer is -1
 }
 
 void test_random(void)