Normalize .may_include to always have paths, and paths to include

src/lib/evloop/.may_include

@@ -12,5 +12,5 @@ lib/testsupport/*.h
 lib/thread/*.h
 lib/time/*.h
 
-src/ext/timeouts/timeout.c
-tor_queue.h
+ext/timeouts/timeout.c
+ext/tor_queue.h

src/lib/evloop/timers.c

@@ -80,7 +80,8 @@ struct timeout_cb {
  * use 32-bit math. */
 #define WHEEL_BIT 5
 #endif
-#include "src/ext/timeouts/timeout.c"
+
+#include "ext/timeouts/timeout.c"
 
 static struct timeouts *global_timeouts = NULL;
 static struct mainloop_event_t *global_timer_event = NULL;

src/lib/evloop/workqueue.c

@@ -36,7 +36,7 @@
 #include "lib/net/socket.h"
 #include "lib/thread/threads.h"
 
-#include "tor_queue.h"
+#include "ext/tor_queue.h"
 #include <event2/event.h>
 #include <string.h>