patch 8.1.0794: white space before " -Ntabmove" causes problems

Problem:    White space before " -Ntabmove" causes problems.
Solution:   Skip whitespace. (Ozaki Kiichi, closes #3841)
diff --git a/src/version.c b/src/version.c
index cef2e4b..fc92619 100644
--- a/src/version.c
+++ b/src/version.c
@@ -792,6 +792,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    794,
+/**/
     793,
 /**/
     792,