fixed static interface methods

testData/results/TestInterfaceMethods.dec

@@ -0,0 +1,23 @@
+package pkg;
+
+public interface TestInterfaceMethods {
+   static void staticMethod() {
+   }// 4
+
+   default void defaultMethod() {
+   }// 5
+}
+
+class 'pkg/TestInterfaceMethods' {
+   method 'staticMethod ()V' {
+      0      4
+   }
+
+   method 'defaultMethod ()V' {
+      0      7
+   }
+}
+
+Lines mapping:
+4 <-> 5
+5 <-> 8