patch 8.0.0745: multi-byte characters in a terminal don't display well

Problem:    multi-byte characters in a terminal window are not displayed
            properly.
Solution:   Set the unused screen characters. (Yasuhiro Matsumoto, closes
            #1857)
diff --git a/src/version.c b/src/version.c
index 31dc8d6..b0058e4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    745,
+/**/
     744,
 /**/
     743,