remove trailing whitespace

(cherry picked from commit 4a4f2479146aa33e235ed57cde311efda68d3c8f)

context_gl_haiku.cpp

@@ -38,6 +38,6 @@ int ContextGL_Haiku::get_window_width() {
 
 int ContextGL_Haiku::get_window_height() {
 	return window->Bounds().IntegerHeight();
-} 
+}
 
 #endif

context_gl_haiku.h

@@ -18,8 +18,8 @@ public:
 	~ContextGL_Haiku();
 
 	virtual Error initialize();
-	virtual void release_current();	
-	virtual void make_current();	
+	virtual void release_current();
+	virtual void make_current();
 	virtual void swap_buffers();
 	virtual int get_window_width();
 	virtual int get_window_height();

godot_haiku.cpp

@@ -3,17 +3,17 @@
 
 int main(int argc, char* argv[]) {
 	OS_Haiku os;
-	
+
 	Error error = Main::setup(argv[0], argc-1, &argv[1]);
 	if (error != OK) {
 		return 255;
 	}
-	
+
 	if (Main::start()) {
 		os.run();
 	}
-	
+
 	Main::cleanup();
-	
+
 	return os.get_exit_code();
 }

key_mapping_haiku.cpp

@@ -70,7 +70,7 @@ static _HaikuTranslatePair _hb_to_keycode[] = {
 	{ KEY_INSERT, B_INSERT },
 	{ KEY_DELETE, B_DELETE },
 	// { KEY_HELP, ??? },
-	
+
 	{ KEY_0, (0x30) },
 	{ KEY_1, (0x31) },
 	{ KEY_2, (0x32) },

os_haiku.cpp

@@ -138,7 +138,7 @@ void OS_Haiku::finalize() {
 	memdelete(spatial_sound_2d_server);
 
 	memdelete(sample_manager);
-	
+
 	audio_server->finish();
 	memdelete(audio_server);