Add dpms patch

- Add timeout after lock screen starts to turn off monitor

config.h

@@ -11,6 +11,9 @@ static const char *colorname[NUMCOLS] = {
 /* treat a cleared input like a wrong password (color) */
 static const int failonclear = 1;
 
+/* time in seconds before the monitor shuts down */
+static const int monitortime = 5;
+
 /*Enable blur*/
 #define BLUR
 /*Set blur radius*/