Added alternative signature test with vararg parameter.

compiler/testData/readJavaBinaryClass/kotlinSignature/MethodWithVararg.java

@@ -0,0 +1,15 @@
+package test;
+
+import java.lang.String;
+import java.lang.UnsupportedOperationException;
+import java.util.*;
+import java.util.BitSet;
+import java.util.List;
+
+import jet.runtime.typeinfo.KotlinSignature;
+
+public class MethodWithVararg {
+    @KotlinSignature("fun foo(vararg s : String)")
+    public void foo(String... s) {
+    }
+}

compiler/testData/readJavaBinaryClass/kotlinSignature/MethodWithVararg.kt

@@ -0,0 +1,9 @@
+package test
+
+import java.util.*
+
+public open class MethodWithVararg : Object() {
+    open fun foo(vararg p0 : String) {
+        throw UnsupportedOperationException()
+    }
+}

compiler/testData/readJavaBinaryClass/kotlinSignature/MethodWithVararg.txt

@@ -0,0 +1,6 @@
+namespace test
+
+open class test.MethodWithVararg : java.lang.Object {
+    final /*constructor*/ fun <init>(): test.MethodWithVararg
+    open fun foo(/*0*/ vararg p0: jet.String /*jet.Array<jet.String>*/): jet.Tuple0
+}