fd: Fix installed headers

Change-Id: I1e6e91f1389026e3132e8ad7c829ba5bfc64eaa4
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/include-fd/meson.build b/include-fd/meson.build
index 33d021e..1e85293 100644
--- a/include-fd/meson.build
+++ b/include-fd/meson.build
@@ -3,9 +3,11 @@
 install_headers(
   'stdplus/fd/create.hpp',
   'stdplus/fd/dupable.hpp',
+  'stdplus/fd/fmt.hpp',
   'stdplus/fd/gmock.hpp',
   'stdplus/fd/impl.hpp',
   'stdplus/fd/intf.hpp',
+  'stdplus/fd/line.hpp',
   'stdplus/fd/managed.hpp',
   'stdplus/fd/mmap.hpp',
   'stdplus/fd/ops.hpp',