Redefined ELIBBAD as ENOEXEC when missing

When a plugin cannot be initialized a ELIBBAD error is returned on Linux
and OpenIndiana. As this is not a Posix error code, use ENOEXEC on
systems which do not define ELIBBAD.

include/ntfs-3g/compat.h

@@ -37,6 +37,10 @@
 #define ENODATA ENOENT
 #endif
 
+#ifndef ELIBBAD
+#define ELIBBAD ENOEXEC
+#endif
+
 #ifndef PATH_MAX
 #define PATH_MAX 4096
 #endif

src/ntfs-3g_common.c

@@ -47,6 +47,7 @@
 #include <getopt.h>
 #include <fuse.h>
 
+#include "compat.h"
 #include "inode.h"
 #include "dir.h"
 #include "security.h"