Conditionally include gstddef or stddef

From-SVN: r4396

gcc/objc/hash.h

@@ -27,7 +27,11 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #ifndef __hash_INCLUDE_GNU
 #define __hash_INCLUDE_GNU
 
+#ifdef IN_GCC
 #include "gstddef.h"
+#else
+#include "stddef.h"
+#endif
 
 /*
  * This data structure is used to hold items

gcc/objc/objc.h

@@ -30,7 +30,11 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 extern "C" {
 #endif
 
+#ifdef IN_GCC
 #include "gstddef.h"
+#else
+#include "stddef.h"
+#endif
 
 /*
 ** Definition of the boolean type.  

gcc/objc/sarray.h

@@ -39,7 +39,11 @@ extern const char* __objc_sparse2_id;
 extern const char* __objc_sparse3_id;
 #endif
 
+#ifdef IN_GCC
 #include "gstddef.h"
+#else
+#include "stddef.h"
+#endif
 
 extern int nbuckets;		/* for stats */
 extern int nindices;