vnc: g_realloc() can't fail, bury dead error handling

Signed-off-by: Markus Armbruster <[email protected]>
Reviewed-by: Eric Blake <[email protected]>
Reviewed-by: Gonglei <[email protected]>
Reviewed-by: Thomas Huth <[email protected]>
Signed-off-by: Michael Tokarev <[email protected]>

Author: Markus Armbruster

ui/vnc.c

@@ -659,10 +659,6 @@ void buffer_reserve(Buffer *buffer, size_t len)
     if ((buffer->capacity - buffer->offset) < len) {
         buffer->capacity += (len + 1024);
         buffer->buffer = g_realloc(buffer->buffer, buffer->capacity);
-        if (buffer->buffer == NULL) {
-            fprintf(stderr, "vnc: out of memory\n");
-            exit(1);
-        }
     }
 }