Fix link crash

GpApp/Link.cpp

@@ -244,12 +244,13 @@ void OpenLinkWindow (void)
 		basicState.m_text.Set(4, "Link");
 		basicState.m_window = linkWindow;
 
-		linkControl = PortabilityLayer::ButtonWidget::Create(basicState, nullptr);
+		PortabilityLayer::ButtonWidget::AdditionalData addlData;
+		linkControl = PortabilityLayer::ButtonWidget::Create(basicState, &addlData);
 
 		basicState.m_rect = Rect::Create(5, 5, 25, 59);
 		basicState.m_text.Set(6, "Unlink");
 		basicState.m_window = linkWindow;
-		unlinkControl = PortabilityLayer::ButtonWidget::Create(basicState, nullptr);
+		unlinkControl = PortabilityLayer::ButtonWidget::Create(basicState, &addlData);
 
 		linkWindow->DrawControls();
 		

gpr2gpa/gpr2gpa.cpp

@@ -1342,10 +1342,10 @@ int ConvertDirectory(const std::string &basePath, const PortabilityLayer::Combin
 
 int PrintUsage()
 {
-	fprintf(stderr, "Usage: gpr2gpa <input.gpr> <input.ts> <output.gpa> [patch.json]");
-	fprintf(stderr, "       gpr2gpa <input dir>\* <input.ts>");
-	fprintf(stderr, "       gpr2gpa <input dir>/* <input.ts>");
-	fprintf(stderr, "       gpr2gpa * <input.ts>");
+	fprintf(stderr, "Usage: gpr2gpa <input.gpr> <input.ts> <output.gpa> [patch.json]\n");
+	fprintf(stderr, "       gpr2gpa <input dir>\* <input.ts>\n");
+	fprintf(stderr, "       gpr2gpa <input dir>/* <input.ts>\n");
+	fprintf(stderr, "       gpr2gpa * <input.ts>\n");
 	return -1;
 }