in_tail: added missing header

Signed-off-by: Leonardo Alminana <[email protected]>

Author: Leonardo Alminana

plugins/in_tail/tail_scan_win32.c

@@ -30,6 +30,7 @@
 #include <shlwapi.h>
 
 #include "tail.h"
+#include "tail_scan.h"
 #include "tail_file.h"
 #include "tail_signal.h"
 #include "tail_config.h"