header include cleanup

- ensures alphabetical ordering for includes etc. in source file headers

src/timedata.h

@@ -5,10 +5,10 @@
 #ifndef BITCOIN_TIMEDATA_H
 #define BITCOIN_TIMEDATA_H
 
-#include <stdint.h>
-#include <vector>
 #include <algorithm>
 #include <assert.h>
+#include <stdint.h>
+#include <vector>
 
 class CNetAddr;