Only include <sys/sysctl.h> when needed

This plugin doesn't need sysctl.h on Linux.

diff --git a/src/contextswitch.c b/src/contextswitch.c
index cf3d3daefe5cb47dc253ef885e356f4fe034c8fb..d23d071713b0e77e5152d0e1c98673ce057c167a 100644 (file)
--- a/src/contextswitch.c
+++ b/src/contextswitch.c
@@ -26,11 +26,8 @@
 #include "plugin.h"
 #include "utils/common/common.h"
 
-#ifdef HAVE_SYS_SYSCTL_H
+#if defined(HAVE_SYSCTLBYNAME) && defined(HAVE_SYS_SYSCTL_H)
 #include <sys/sysctl.h>
-#endif
-
-#if HAVE_SYSCTLBYNAME
 /* no global variables */
 /* #endif HAVE_SYSCTLBYNAME */