refactor code with new formatting rules

Functions now break before their brace, mirroring the Linux kernel.
The reason for this is that breaking the parameter list otherwise makes
code unreadable.

src/io/window.c

@@ -15,7 +15,8 @@ static struct GLFWwindow *win = NULL;
 
 /* Initialises the GLFW window with some defaults,
  * then proceed to activate OpenGL on it. */
-int window_init(void) {
+int window_init(void)
+{
 	// initialise the window
 #ifndef NDEBUG
 	glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
@@ -32,10 +33,12 @@ int window_init(void) {
 	/* NOTE: on my system; x86_64, GTX 1650 580.82.09-2, X11, i3, this causes one direct, 2 indirect memory leaks.
 	 * This is not my fault, and can safely be ignored. */
 	win = glfwCreateWindow(640, 480, "MCA-Selector lite", NULL, NULL);
-	if (!win) return 1;
+	if (!win)
+		return 1;
 
 	glfwMakeContextCurrent(win);
-	if (!gladLoadGL(glfwGetProcAddress)) return 1;
+	if (!gladLoadGL(glfwGetProcAddress))
+		return 1;
 	glfwSwapInterval(1); // wait 1 screen update for a redraw a.k.a. "vsync". (not really applicable in this case but eh)
 
 	glfwSetKeyCallback(win, input_callback);
@@ -53,7 +56,8 @@ int window_init(void) {
 	return 0;
 }
 
-void window_loop(void) {
+void window_loop(void)
+{
 	assert(win);
 	render_init();
 	while (!glfwWindowShouldClose(win)) {
@@ -65,12 +69,14 @@ void window_loop(void) {
 	}
 }
 
-void window_close(void) {
+void window_close(void)
+{
 	assert(win);
 	glfwSetWindowShouldClose(win, 1);
 }
 
-void window_free(void) {
+void window_free(void)
+{
 	if (!win) {
 		debug("window has already been freed.");
 		return;