Minor fix for listbox code
diff --git a/gui/listbox.cpp b/gui/listbox.cpp
index 5dd2a2d..263f82f 100644
--- a/gui/listbox.cpp
+++ b/gui/listbox.cpp
@@ -44,7 +44,7 @@
int header_separator_color_specified = 0, header_separator_height_specified = 0, header_text_color_specified = 0, header_background_color_specified = 0;
mStart = mLineSpacing = startY = mFontHeight = mSeparatorH = scrollingY = scrollingSpeed = 0;
- mIconWidth = mIconHeight = mSelectedIconHeight = mSelectedIconHeight = mUnselectedIconWidth = mUnselectedIconWidth = mHeaderIconHeight = mHeaderIconWidth = 0;
+ mIconWidth = mIconHeight = mSelectedIconHeight = mSelectedIconWidth = mUnselectedIconHeight = mUnselectedIconWidth = mHeaderIconHeight = mHeaderIconWidth = 0;
mHeaderSeparatorH = mLineHeight = mHeaderIsStatic = mHeaderH = actualLineHeight = 0;
mIconSelected = mIconUnselected = mBackground = mFont = mHeaderIcon = NULL;
mBackgroundX = mBackgroundY = mBackgroundW = mBackgroundH = 0;