patch 8.0.1310: cproto generates errors because of missing type

Problem:    Cproto generates errors because of missing type.
Solution:   Define _Float128 when generating prototypes.
diff --git a/src/version.c b/src/version.c
index 3d0b5cd..331edb5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1310,
+/**/
     1309,
 /**/
     1308,