TBR v.io/x/jni: rename an error in fortune test

Change-Id: I0e05d192b0f5171a10e283b21444616aaabc3495
diff --git a/test/fortune/fortune.vdl b/test/fortune/fortune.vdl
index 4ce94c5..8b9470e 100644
--- a/test/fortune/fortune.vdl
+++ b/test/fortune/fortune.vdl
@@ -13,10 +13,10 @@
 }
 
 error (
-	ErrNoFortunes() {
+	NoFortunes() {
 		"en": "no fortunes added",
 	}
-	ErrComplex(first ComplexErrorParam, second string, third int32) {
+	Complex(first ComplexErrorParam, second string, third int32) {
 		"en": "this is a complex error with params {first} {second} {third}",
 	}
 )