Add magic comment at beginning.

From-SVN: r2308

diff --git a/gcc/assert.h b/gcc/assert.h
index 4efbab9..f5c669d 100644 (file)
--- a/gcc/assert.h
+++ b/gcc/assert.h
@@ -1,3 +1,5 @@
+/* This is GCC's version of assert.h.  */
+/* The previous line is a magic cookie that Makefile greps for.  */
 /* Allow this file to be included multiple times
    with different settings of NDEBUG.  */
 #undef assert