patch 8.0.0794: checking translations fails with multiple NL

Problem:    The script to check translations fails if there is more than one
            NL in one line.
Solution:   Count the number of NL characters.  Make count() accept a string.

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    794,
 /**/
     793,
 /**/