[PATCH 1/3] selinux-testsuite: fix some compile warnings in tests/nnp

[Paul Moore <pmoore@redhat.com>]

Correct the following:

make[2]: Entering directory '/root/sources/selinux-testsuite/tests/nnp'
cc     execnnp.c  -lselinux -o execnnp
execnnp.c: In function 'main':
execnnp.c:27:9: warning: implicit declaration of function 'strverscmp'
        (strverscmp(uts.release, "3.18") < 0));
         ^
execnnp.c:47:8: warning: implicit declaration of function 'wait'
  pid = wait(&status);

Signed-off-by: Paul Moore <paul@paul-moore.com>
---
 tests/nnp/execnnp.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/nnp/execnnp.c b/tests/nnp/execnnp.c
index a5a80cf..2563909 100644
--- a/tests/nnp/execnnp.c
+++ b/tests/nnp/execnnp.c
@@ -1,3 +1,6 @@
+
+#define _GNU_SOURCE
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -5,6 +8,8 @@
 #include <unistd.h>
 #include <sys/utsname.h>
 #include <sys/prctl.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 
 int main(int argc, char **argv)
 {