Move log.h include inside ifdefs.

Fixes build on some other platforms that don't have va_list immediately
available (eg NetBSD).

openbsd-compat/port-irix.c

@@ -25,8 +25,6 @@
 
 #include "includes.h"
 
-#include "log.h"
-
 #if defined(WITH_IRIX_PROJECT) || \
     defined(WITH_IRIX_JOBS) || \
     defined(WITH_IRIX_ARRAY)
@@ -45,6 +43,8 @@
 # include <sat.h>
 #endif /* WITH_IRIX_AUDIT */
 
+#include "log.h"
+
 void
 irix_setusercontext(struct passwd *pw)
 {