patch 8.1.0108: no Danish translations

Problem:    No Danish translations.
Solution:   Add Danish message translations. (closes #3073)  Move list of
            languages to a common makefile.

src/version.c

@@ -789,6 +789,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    108,
 /**/
     107,
 /**/