patch 8.1.1705: using ~{} for a literal dict is not nice

Problem:    Using ~{} for a literal dict is not nice.
Solution:   Use #{} instead.
diff --git a/src/version.c b/src/version.c
index aacfeb6..bc8dab7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1705,
+/**/
     1704,
 /**/
     1703,