Fixed -r option. Added test to make sure it doesn't break later.

main.c

@@ -61,7 +61,7 @@ int main(int argc, char *argv[])
     /*  Options. */
 
 #ifndef ADVENT_NOSAVE
-    const char* opts = "l:or";
+    const char* opts = "l:or:";
     const char* usage = "Usage: %s [-l logfilename] [-o] [-r restorefilename]\n";
 #else
     const char* opts = "l:o";

tests/saveresumeopt.chk

@@ -0,0 +1,9 @@
+
+You're in front of building.
+
+
+You scored 27 out of a possible 430, using 2 turns.
+
+You are obviously a rank amateur.  Better luck next time.
+
+To achieve the next higher rating, you need 19 more points.

tests/saveresumeopt.log

@@ -0,0 +1,2 @@
+## Simple quit
+#options: -r saveresume.adv