Maelstrom: Fixed compiler warnings

https://github.com/libsdl-org/Maelstrom/commit/148668a4a4674ec1f2dd99bd8828a60bc73dec6f

From 148668a4a4674ec1f2dd99bd8828a60bc73dec6f Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 31 Oct 2011 03:39:37 -0400
Subject: [PATCH] Fixed compiler warnings

---
 screenlib/UIElement.cpp        | 2 --
 screenlib/UIElementEditbox.cpp | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/screenlib/UIElement.cpp b/screenlib/UIElement.cpp
index b2f3210d..0ccec624 100644
--- a/screenlib/UIElement.cpp
+++ b/screenlib/UIElement.cpp
@@ -32,8 +32,6 @@ UIElement::UIElement(UIBaseElement *parent, const char *name) :
 bool
 UIElement::Load(rapidxml::xml_node<> *node, const UITemplates *templates)
 {
-	rapidxml::xml_attribute<> *attr;
-
 	if (!UIBaseElement::Load(node, templates)) {
 		return false;
 	}
diff --git a/screenlib/UIElementEditbox.cpp b/screenlib/UIElementEditbox.cpp
index 2992ea76..d6b562ee 100644
--- a/screenlib/UIElementEditbox.cpp
+++ b/screenlib/UIElementEditbox.cpp
@@ -72,6 +72,7 @@ UIElementEditbox::FinishLoading()
 		}
 		AddElement(m_label);
 	}
+	return true;
 }
 			
 bool
@@ -169,7 +170,6 @@ void
 UIElementEditbox::SetFocusNext()
 {
 	UIElementEditbox *editbox;
-	unsigned i, j;
 
 	// We always lose focus even if we don't find another editbox
 	SetFocus(false);