Fixed: Compilation error when a static property are initialized at same time than this definition

--HG--
branch : atys

code/nel/include/nel/gui/css_style.h

@@ -167,11 +167,11 @@ namespace NLGUI
 			return Current.FontSize-2;
 		}
 
-		sint styleStackIndex = 0;
+		static sint styleStackIndex;
 
 		inline void pushStyle()
 		{
-			styleStackIndex++;
+			CCssStyle::styleStackIndex++;
 			_StyleStack.push_back(Current);
 
 			Current.DisplayBlock = false;
@@ -186,7 +186,7 @@ namespace NLGUI
 
 		inline void popStyle()
 		{
-			styleStackIndex--;
+			CCssStyle::styleStackIndex--;
 			if (_StyleStack.empty())
 			{
 				Current = Root;

code/nel/src/gui/css_style.cpp

@@ -31,6 +31,8 @@ using namespace NLMISC;
 
 namespace NLGUI
 {
+	sint CCssStyle::styleStackIndex = 0;
+
 	uint CCssStyle::SStyleRule::specificity() const
 	{
 		uint count = 0;