patch 8.1.0371: argument types for select() may be wrong

Problem:    Argument types for select() may be wrong.
Solution:   Use a configure macro. (Tobias Ulmer)
diff --git a/src/version.c b/src/version.c
index fc93cbf..88e50c1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    371,
+/**/
     370,
 /**/
     369,