\x00 for NUL in type string.

R=rsc
DELTA=14  (9 added, 0 deleted, 5 changed)
OCL=18281
CL=18281
diff --git a/src/lib/reflect/test.go b/src/lib/reflect/test.go
index 0ed53a3..9ec22d1 100644
--- a/src/lib/reflect/test.go
+++ b/src/lib/reflect/test.go
@@ -119,7 +119,7 @@
 	typedump("struct {a int8; b int8; c int8; d int8; b int32}", "struct{a int8; b int8; c int8; d int8; b int32}");
 	typedump("struct {a int8; b int8; c int8; d int8; e int8; b int32}", "struct{a int8; b int8; c int8; d int8; e int8; b int32}");
 	typedump("struct {a int8 \"hi there\"; }", "struct{a int8 \"hi there\"}");
-	typedump("struct {a int8 \"hi \\0there\\t\\n\\\"\\\\\"; }", "struct{a int8 \"hi \\0there\\t\\n\\\"\\\\\"}");
+	typedump("struct {a int8 \"hi \\x00there\\t\\n\\\"\\\\\"; }", "struct{a int8 \"hi \\x00there\\t\\n\\\"\\\\\"}");
 
 	valuedump("int8", "8");
 	valuedump("int16", "16");