patch 8.1.0075: no Vim logo in README file

Problem:    No Vim logo in README file.
Solution:   Add one. (Árni Dagur, closes #3024)
diff --git a/src/version.c b/src/version.c
index 09325fb..bc79f7d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    75,
+/**/
     74,
 /**/
     73,