Menu-FN: Call `cfg_save` at certain points in case cfg_auto_save isn't on.

src/menu-fn/m_audio.qc

@@ -34,6 +34,7 @@ au_btndone_start(void)
 {
 	static void au_btndone_end(void) {
 		g_menupage = PAGE_CONFIGURATION;
+		localcmd("cfg_save\n");
 	}
 	localsound("../media/launch_dnmenu1.wav");
 	header.SetStartEndPos(45,45,50,172);

src/menu-fn/m_contentcontrol.qc

@@ -31,6 +31,7 @@ cc_btndone_start(void)
 {
 	static void cc_btndone_end(void) {
 		g_menupage = PAGE_CONFIGURATION;
+		localcmd("cfg_save\n");
 	}
 	localsound("../media/launch_dnmenu1.wav");
 	header.SetStartEndPos(45,45,50,236);

src/menu-fn/m_controls.qc

@@ -55,6 +55,8 @@ ctrl_btnok_start(void)
 			g_menupage = PAGE_CONFIGURATION;
 		else
 			g_menupage = PAGE_MULTIPLAYER;
+
+		localcmd("cfg_save\n");
 	}
 
 	localsound("../media/launch_dnmenu1.wav");

src/menu-fn/m_customize.qc

@@ -49,6 +49,7 @@ cz_btndone_start(void)
 {
 	static void cz_btndone_end(void) {
 		g_menupage = PAGE_MULTIPLAYER;
+		localcmd("cfg_save\n");
 	}
 	cvar_set("name", cz_tbNetname.m_text);
 	localsound("../media/launch_dnmenu1.wav");

src/menu-fn/m_videomodes.qc

@@ -74,7 +74,7 @@ vm_btnok_start(void)
 		tokenizebyseparator(res, "x");
 		localcmd(sprintf("vid_width %s\n", argv(0)));
 		localcmd(sprintf("vid_height %s\n", argv(1)));
-		localcmd("vid_restart\n");
+		localcmd("vid_restart\ncfg_save\n");
 	}
 
 	localsound("../media/launch_dnmenu1.wav");

src/menu-fn/m_videooptions.qc

@@ -29,6 +29,7 @@ vo_btndone_start(void)
 {
 	static void vo_btndone_end(void) {
 		g_menupage = PAGE_VIDEO;
+		localcmd("cfg_save\n");
 	}
 	localsound("../media/launch_dnmenu1.wav");
 	header.SetStartEndPos(45, 45, 50, 140);