patch 8.2.3474: some places use "Vimscript" instead of "Vim script"

Problem:    Some places use "Vimscript" instead of "Vim script".
Solution:   Consistently use "Vim script". (Hirohito Higashi, closes #8910)
diff --git a/src/getchar.c b/src/getchar.c
index 2d31c03..93e3b87 100644
--- a/src/getchar.c
+++ b/src/getchar.c
@@ -2182,7 +2182,7 @@
 /*
  * Process messages that have been queued for netbeans or clientserver.
  * Also check if any jobs have ended.
- * These functions can call arbitrary vimscript and should only be called when
+ * These functions can call arbitrary Vim script and should only be called when
  * it is safe to do so.
  */
     void
diff --git a/src/if_lua.c b/src/if_lua.c
index a131037..34eee8e 100644
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -1853,7 +1853,7 @@
 	// Update the key
 	typval_T	tv;
 
-	// Convert the lua value to a vimscript type in the temporary variable
+	// Convert the lua value to a Vim script type in the temporary variable
 	lua_pushvalue(L, 4);
 	if (luaV_totypval(L, -1, &tv) == FAIL)
 	    return luaL_error(L, "Couldn't convert lua value");
diff --git a/src/version.c b/src/version.c
index 21aab4f..e927191 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3474,
+/**/
     3473,
 /**/
     3472,