Ensure check.h is included for all unit tests

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

tests/complete.c

@@ -22,8 +22,8 @@
  * THE SOFTWARE.
  */
 
-#include <signal.h>
 #include "check.h"
+#include <signal.h>
 
 typedef struct {
 	int counter;

tests/cronrun.c

@@ -21,9 +21,9 @@
  * THE SOFTWARE.
  */
 
+#include "check.h"
 #include <time.h>
 #include <sys/time.h>
-#include "check.h"
 
 #define TIMEOUT  2
 #define INTERVAL 2

tests/signal.c

@@ -21,6 +21,7 @@
  * THE SOFTWARE.
  */
 
+#include "check.h"
 #include <err.h>
 #include <sched.h>
 #include <signal.h>
@@ -32,8 +33,6 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-#include "uev.h"
-
 #define UNUSED(arg) arg __attribute__ ((unused))
 #define DO_SEGFAULT 1