ptrdiff_t.3: New link to new documented type in system_data_types(7)

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man3/ptrdiff_t.3 b/man3/ptrdiff_t.3
new file mode 100644 (file)
index 0000000..db50c0f
--- /dev/null
+++ b/man3/ptrdiff_t.3
@@ -0,0 +1 @@
+.so man7/system_data_types.7