patch 8.1.0094: help text "usage:" is not capatalized

Problem:    Help text "usage:" is not capatalized.
Solution:   Make it "Usage:". (closes #3044)
diff --git a/src/version.c b/src/version.c
index b821423..109c4b7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    94,
+/**/
     93,
 /**/
     92,