updated for version 7.3.847

Problem:    Test 55 fails when messages are translated.
Solution:   Set language to C. (Ken Takata)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    847,
 /**/
     846,
 /**/