Color moved from libscscreensaver to libscgui

Makefile

@@ -1,4 +1,7 @@
-LDLIBS := -lscterm -lm -lscscreensaver
+LDLIBS := -lscterm -lm -lscgui
+
+LDLIBS += $(shell pkg-config sdl2 --libs)
+CXXFLAGS += $(shell pkg-config sdl2 --cflags)
 
 BIN := $(shell basename $$(pwd))
 

progress.cpp

@@ -2,7 +2,7 @@
 #include <ctime>
 #include <cstdlib>
 #include <libscterm.hpp>
-#include <libscscreensaver.hpp>
+#include <libscgui.hpp>
 
 void show_rows_cols(const sc::term& t) {
     std::cout << t.rows() << " rows, " << t.cols() << " cols\n";