[c99] change gcc zero-length array to C99 flexible array declaration

2005-11-26 Paul Jakma <paul.jakma@sun.com>

	* buffer.c: (struct buffer_data) change gcc zero array
	  declaration to C99 incomplete array.
	* stream.h: (struct stream) same
	* ospf_api.c: (struct opaque_lsa) same
diff --git a/lib/buffer.c b/lib/buffer.c
index 81cd0f2..f19a9e0 100644
--- a/lib/buffer.c
+++ b/lib/buffer.c
@@ -53,7 +53,7 @@
   size_t sp;
 
   /* Actual data stream (variable length). */
-  unsigned char data[0];  /* real dimension is buffer->size */
+  unsigned char data[];  /* real dimension is buffer->size */
 };
 
 /* It should always be true that: 0 <= sp <= cp <= size */