Make test not depend on make install; Win32 fix.

Since we often run "make spectest" before "make install", relying on
"lib" being installed somewhere already is wrong. Also, the usual
line-ending tweak for making the test happy on Windows.

integration/advent2012-day06.t

@@ -32,9 +32,10 @@ my $main = q:to"END-MAIN";
     }
     END-MAIN
 
-is_run $main, {out => "Duplicate hrmov\n", err => ''}, :args['Duplicate character removal'], 'normal main call';
+is_run $main, {out => "Duplicate hrmov\n", err => ''}, :args['Duplicate character removal'], :compiler-args['-Ilib'],
+    'normal main call';
 
-is_run $main, {out => q:to"END-TEST-OUT", err => ''}, :args['--test'], 'test main call';
+is_run $main, {out => q:to"END-TEST-OUT".subst("\r", "", :g), err => ''}, :args['--test'], :compiler-args['-Ilib'], 'test main call';
     1..2
     ok 1 - basic deduplication
     ok 2 - case insensitivity