$NetBSD: patch-src_out_c,v 1.1 2011/08/01 05:03:45 dholland Exp $

Avoid generating "#line 0" as clang objects strenuously. This patch
serves as an added precaution.

--- src/out.c~	2009-07-10 14:43:05.000000000 +0000
+++ src/out.c
@@ -69,6 +69,9 @@ out_addline_infile(FILE *fp, int line)
 	} else
 		g_assert_not_reached();
 
+	if (line == 0) {
+		line = 1;
+	}
 	fprintf(fp, "#line %d \"%s\"\n", line, filename);
 }