Change reserved macro name.

src/binary.h

@@ -8,9 +8,7 @@
 #include <inttypes.h>
 #include <stdio.h>
 
-#ifndef _DTYPES_H
 #include "dtypes.h"
-#endif
 
 #ifndef HOST_ENDIANNESS
 #ifdef __cplusplus

src/dtypes.h

-#ifndef _DTYPES_H
-#define _DTYPES_H
+#ifndef DTYPES_H
+#define DTYPES_H
 
 #include <stdio.h>
 #include <limits.h>
@@ -45,7 +45,7 @@
 #define  UINT32   unsigned INT32
 #define  UINT64   unsigned INT64
 
-#endif  /* _DTYPES_H */
+#endif  /* DTYPES_H */
 /*
  * Local Variables:
  * c-file-style: "Java"