Fix recent compilation issue - by reordering #includes.

Signed-off-by: Andrew G. Morgan <morgan@pip.(none)>
diff --git a/progs/capsh.c b/progs/capsh.c
index 21f8e07..40d632c 100644
--- a/progs/capsh.c
+++ b/progs/capsh.c
@@ -13,10 +13,10 @@
 #include <string.h>
 #include <stdlib.h>
 #include <sys/prctl.h>
-#include <sys/capability.h>
 #include <unistd.h>
 #include <errno.h>
 #include <sys/wait.h>
+#include <sys/capability.h>
 
 /* prctl based API for altering character of current process */
 #define PR_GET_KEEPCAPS    7