Makefile is incomplete

[ligurio]

Fix:

--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,7 @@ LDFLAGS=-lcurses
 all:           timetracker
 
 timetracker:   timetracker.o
+       cc timetracker.c $(LDFLAGS) $(CFLAGS)
 
 clean:
        rm -rf timetracker *.o