Fix typo: TYPE_ptrdiff_t to _TYPE_ptrdiff_t.

From-SVN: r12166

diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h
index 6607aa762862192bb1b847871dabdc842559ae4d..d113ab03ae5a43e5f329c879a9d7bee6e173a451 100644 (file)
--- a/gcc/ginclude/stddef.h
+++ b/gcc/ginclude/stddef.h
@@ -71,7 +71,7 @@
    not defined, and so that defining this macro defines _GCC_SIZE_T.
    If we find that the macros are still defined at this point, we must
    invoke them so that the type is defined as expected.  */
-#if defined (TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_))
+#if defined (_TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_))
 _TYPE_ptrdiff_t;
 #undef _TYPE_ptrdiff_t
 #endif