Eventually including autotools generated ../config.h with all source files.

(GNU xorriso plans to use autoheader for a diet of its build messages.)

libisofs/libiso_msgs.c

@@ -5,6 +5,10 @@
    provided under GPL version 2 or later
 */
 
+#ifdef HAVE_CONFIG_H
+#include "../config.h"
+#endif
+
 #include <stdio.h>
 #include <sys/types.h>
 #include <unistd.h>