Fix else-after-returns throughout pdfium.

fpdfsdk/src/javascript/JS_EventHandler.cpp

Index: fpdfsdk/src/javascript/JS_EventHandler.cpp
diff --git a/fpdfsdk/src/javascript/JS_EventHandler.cpp b/fpdfsdk/src/javascript/JS_EventHandler.cpp
index 7d27c66f6b7744b761980a3267907726bd917b51..93201163a7850a271ecd36cf5a536fde2de59a13 100644
--- a/fpdfsdk/src/javascript/JS_EventHandler.cpp
+++ b/fpdfsdk/src/javascript/JS_EventHandler.cpp
@@ -7,7 +7,6 @@
 #include "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/IJavaScript.h"
 #include "../../include/javascript/JS_EventHandler.h"
-//#include "../../include/javascript/JS_ResMgr.h"
 #include "../../include/javascript/JS_Context.h"
 #include "../../include/javascript/JS_Runtime.h"
 #include "../../include/javascript/JS_Define.h"
@@ -429,12 +428,10 @@ FX_BOOL CJS_EventHandler::IsValid()
 
 CFX_WideString & CJS_EventHandler::Change()
 {
-	if (m_pWideStrChange != NULL)
+	if (m_pWideStrChange) {
 		return *m_pWideStrChange;
-	else
-	{
-		return m_WideStrChangeDu;
-	}
+    }
+    return m_WideStrChangeDu;
 }
 
 CFX_WideString CJS_EventHandler::ChangeEx()
@@ -560,34 +557,26 @@ const FX_WCHAR* CJS_EventHandler::Type()
 
 FX_BOOL& CJS_EventHandler::Rc()
 {
-	if (m_pbRc != NULL)
+	if (m_pbRc) {
 		return *m_pbRc;
-	else
-	{
-		return m_bRcDu;
-	}
+    }
+    return m_bRcDu;
 }
 
 int & CJS_EventHandler::SelEnd()
 {
-	if (m_pISelEnd != NULL)
-	{
+	if (m_pISelEnd)	{
 		return *m_pISelEnd;
 	}
-	else
-	{
-		return m_nSelEndDu;
-	}
+    return m_nSelEndDu;
 }
 
 int & CJS_EventHandler::SelStart()
 {
-	if (m_pISelStart != NULL)
-		return * m_pISelStart;
-	else
-	{
-		return m_nSelStartDu;
-	}
+	if (m_pISelStart) {
+		return *m_pISelStart;
+    }
+    return m_nSelStartDu;
 }
 
 FX_BOOL CJS_EventHandler::Shift()