Fix a few more -Wreorder warnings.

No intended behavior change.

BUG=pdfium:29
R=bo_xu@foxitsoftware.com

Review URL: https://codereview.chromium.org/436483002
diff --git a/fpdfsdk/include/javascript/Document.h b/fpdfsdk/include/javascript/Document.h
index ca8b51b..764bbbc 100644
--- a/fpdfsdk/include/javascript/Document.h
+++ b/fpdfsdk/include/javascript/Document.h
@@ -41,7 +41,7 @@
 
 struct IconElement
 {
-	IconElement() : IconName(L""), IconStream(NULL), NextIcon(NULL){}
+	IconElement() : IconName(L""), NextIcon(NULL), IconStream(NULL) {}
 	virtual ~IconElement()
 	{
 	}