renamed more OSystem methods to follow our naming scheme; renamed NewGuiColor to OverlayColor; fixed some calls to error() in the SDL backend

svn-id: r13087

1 files changed, 2 insertions, 2 deletions

diff --git a/backends/null/null.cpp b/backends/null/null.cpp
index 6e60044b2c..f78754d813 100644
--- a/backends/null/null.cpp
+++ b/backends/null/null.cpp
@@ -29,11 +29,11 @@
 /* NULL video driver */
 class OSystem_NULL : public OSystem {
 public:
-	void set_palette(const byte *colors, uint start, uint num) {}
+	void setPalette(const byte *colors, uint start, uint num) {}
 	void initSize(uint w, uint h);
 	void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h) {}
 	void move_screen(int dx, int dy) {}
-	void update_screen() {}
+	void updateScreen() {}
 	bool show_mouse(bool visible) { return false; }
 	void set_mouse_pos(int x, int y) {}
 	void set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y) {}