Apply upstream patch aaff080449ebcb66553ebf5b512f737b6191f339 to fix

build with gcc 4.6+ and clang. Via Al Viro.

devel/sparse/distinfo

@@ -1,7 +1,8 @@
-$NetBSD: distinfo,v 1.2 2007/06/12 14:48:33 joerg Exp $
+$NetBSD: distinfo,v 1.3 2013/02/21 18:12:26 dholland Exp $
 
 SHA1 (sparse-0.3.tar.gz) = 1d868b29234176abd5f3f5463aad1f11d5268dc2
 RMD160 (sparse-0.3.tar.gz) = 36bb7e5611f56c5b222f33a0853e8315af406704
 Size (sparse-0.3.tar.gz) = 177462 bytes
 SHA1 (patch-aa) = 234aa80cdd04835b9a8b2bfe4e41b0c7a1f07ff2
 SHA1 (patch-ab) = 4240f8ff570592da6d838815edcb6a7976f23a07
+SHA1 (patch-parse_h) = 8d13cdaa8a94e6db3b5cfa7db15344cbda14ee8e

devel/sparse/patches/patch-parse_h

@@ -0,0 +1,18 @@
+$NetBSD: patch-parse_h,v 1.1 2013/02/21 18:12:26 dholland Exp $
+
+Apply upstream patch aaff080449ebcb66553ebf5b512f737b6191f339 to fix
+build with gcc 4.6+ and clang. Via Al Viro.
+
+--- parse.h~	2007-05-01 18:30:58.000000000 +0000
++++ parse.h
+@@ -35,10 +35,6 @@ struct statement {
+ 		struct /* declaration */ {
+ 			struct symbol_list *declaration;
+ 		};
+-		struct /* label_arg */ {
+-			struct symbol *label;
+-			struct statement *label_statement;
+-		};
+ 		struct {
+ 			struct expression *expression;
+ 			struct expression *context;