Remove screendump dummy functions.

The code in console.c verifies whenever a screen_dump function
pointer is present before calling it, so there is no need to supply an
dummy function.  Remove them.  Also report an error to notify the user
that he didn't got a screenshot.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/console.c b/console.c
index 744ef2d81..df058b86e 100644
--- a/console.c
+++ b/console.c
@@ -184,6 +184,8 @@ void vga_hw_screen_dump(const char *filename)
     console_select(0);
     if (consoles[0] && consoles[0]->hw_screen_dump) {
         consoles[0]->hw_screen_dump(consoles[0]->hw, filename);
+    } else {
+        error_report("screen dump not implemented");
     }
 
     if (previous_active_console) {