Rely on (now working) fstab.h check in configure

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/helpers.h

@@ -25,6 +25,11 @@
 #ifndef FINIT_HELPERS_H_
 #define FINIT_HELPERS_H_
 
+#include "config.h"
+
+#ifdef HAVE_FSTAB_H
+#include <fstab.h>
+#endif
 #include <mntent.h>
 #include <sched.h>		/* sched_yield() */
 #include <stdarg.h>
@@ -47,7 +52,7 @@ typedef enum {
 	PROGRESS_MODERN,
 } pstyle_t;
 
-#ifndef HAVE_GETFSENT
+#ifndef HAVE_FSTAB_H
 struct fstab {
 	char       *fs_spec;       /* block device name */
 	char       *fs_file;       /* mount point */
@@ -61,7 +66,7 @@ struct fstab {
 int           setfsent  (void);
 void          endfsent  (void);
 struct fstab *getfsent  (void);
-#endif	/* HAVE_GETFSENT */
+#endif /* HAVE_FSTAB_H */
 
 char   *console         (void);
 void    console_init    (void);