patch 8.0.1203: terminal window mistreats composing characters

Problem:    Terminal window mistreats composing characters.
Solution:   Count composing characters with the base character. (Ozaki Kiichi,
            closes #2195)
diff --git a/src/version.c b/src/version.c
index 0f4d23b..3214008 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1203,
+/**/
     1202,
 /**/
     1201,