more fixes

Author: Alex D

src/emitterlua.ts

@@ -3108,7 +3108,8 @@ export class EmitterLua {
  thisCall = true;
 
  const typeInfo = this.typeInfo.getVariableDeclarationOfTypeOfNode(node.expression);
- if (typeInfo && typeInfo.kind === ts.SyntaxKind.ModuleDeclaration) {
+ if (typeInfo && typeInfo.kind === ts.SyntaxKind.ModuleDeclaration
+ || this.typeInfo.isTypeOfNode(node.expression, 'any')) {
  thisCall = false;
  }
  }

test/test.ts

@@ -1 +1,3 @@
-a = "\t";
+declare var os: any;
+
+os.time();