unittest_bufferlist: fix warning

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/test/bufferlist.cc b/src/test/bufferlist.cc
index ba13943531d1fa1517b5a856447570a7e3ac0cf3..63fe6a83f43c01a30b11fa306197f7c8d30446cb 100644 (file)
--- a/src/test/bufferlist.cc
+++ b/src/test/bufferlist.cc
@@ -2270,7 +2270,7 @@ TEST(BufferList, write_fd_offset) {
   struct stat st;
   memset(&st, 0, sizeof(st));
   ::stat(FILENAME, &st);
-  EXPECT_EQ(IOV_MAX * 2 + offset, st.st_size);
+  EXPECT_EQ(IOV_MAX * 2 + offset, (unsigned)st.st_size);
   ::unlink(FILENAME);
 }