Added help entries for anim functions. Fixed a compilation warning and a wrong anim button refresh.

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1854 416bcca6-2ee7-4201-b75f-2eb2f807beb1

src/pages.c

@@ -682,7 +682,11 @@ void Update_screen_targets(void)
 /// Update all the special image buffers, if necessary.
 int Update_buffers(int width, int height)
 {
-#ifndef NOLAYERS
+#ifdef NOLAYERS
+  // unused args
+  (void) width;
+  (void) height;
+#else
   // At least one dimension is different
   if (Main_visible_image.Width*Main_visible_image.Height != width*height)
   {
@@ -724,7 +728,11 @@ int Update_buffers(int width, int height)
 /// Update all the special image buffers of the spare page, if necessary.
 int Update_spare_buffers(int width, int height)
 {
-#ifndef NOLAYERS
+#ifdef NOLAYERS
+  // unused args
+  (void) width;
+  (void) height;
+#else
   // At least one dimension is different
   if (Spare_visible_image.Width*Spare_visible_image.Height != width*height)
   {