Make ScrollBarArrowFrame C++03 compatible

SourceX/DiabloUI/diabloui.cpp

@@ -693,12 +693,12 @@ void Render(const UiScrollBar &ui_sb)
 	// Arrows:
 	{
 		const SDL_Rect rect = UpArrowRect(ui_sb);
-		const int frame = static_cast<int>(scrollBarState.upArrowPressed ? ScrollBarArrowFrame::UP_ACTIVE : ScrollBarArrowFrame::UP);
+		const int frame = static_cast<int>(scrollBarState.upArrowPressed ? ScrollBarArrowFrame_UP_ACTIVE : ScrollBarArrowFrame_UP);
 		DrawArt(rect.x, rect.y, ui_sb.arrow, frame, rect.w);
 	}
 	{
 		const SDL_Rect rect = DownArrowRect(ui_sb);
-		const int frame = static_cast<int>(scrollBarState.downArrowPressed ? ScrollBarArrowFrame::DOWN_ACTIVE : ScrollBarArrowFrame::DOWN);
+		const int frame = static_cast<int>(scrollBarState.downArrowPressed ? ScrollBarArrowFrame_DOWN_ACTIVE : ScrollBarArrowFrame_DOWN);
 		DrawArt(rect.x, rect.y, ui_sb.arrow, frame, rect.w);
 	}
 

SourceX/DiabloUI/scrollbar.h

@@ -9,11 +9,11 @@ extern Art ArtScrollBarBackground;
 const Uint16 SCROLLBAR_BG_WIDTH = 25;
 
 extern Art ArtScrollBarArrow;
-enum class ScrollBarArrowFrame {
-	UP_ACTIVE = 0,
-	UP,
-	DOWN_ACTIVE,
-	DOWN,
+enum ScrollBarArrowFrame {
+	ScrollBarArrowFrame_UP_ACTIVE = 0,
+	ScrollBarArrowFrame_UP,
+	ScrollBarArrowFrame_DOWN_ACTIVE,
+	ScrollBarArrowFrame_DOWN,
 };
 
 extern Art ArtScrollBarThumb;