fix types and remember to initialize the grippy last highlight to none at creation. Fixes a problem where the first grippy in the toolbar was being drawn highlighted at create time.

layout/xul/base/src/nsToolboxFrame.cpp

@@ -83,7 +83,7 @@ NS_NewToolboxFrame ( nsIFrame*& aNewFrame )
 // Init, if necessary
 //
 nsToolboxFrame :: nsToolboxFrame ( )
-  : mSumOfToolbarHeights(0), mNumToolbars(0)
+  : mSumOfToolbarHeights(0), mNumToolbars(0), mGrippyHilighted(kNoGrippyHilighted)
 {
 	//*** anything?
 }

layout/xul/base/src/nsToolboxFrame.h

@@ -111,10 +111,10 @@ protected:
   nsCOMPtr<nsIStyleContext>    mGrippyNormalStyle;
   nsCOMPtr<nsIStyleContext>    mGrippyRolloverStyle;
   
-  PRUint32 mSumOfToolbarHeights;
+  unsigned long mSumOfToolbarHeights;
   TabInfo  mGrippies[10];          //*** make this a list or something!!!!!!
-  PRUint32 mNumToolbars;
-  PRUint32 mGrippyHilighted;     // used to indicate which grippy the mouse is inside
+  unsigned short mNumToolbars;
+  short mGrippyHilighted;          // used to indicate which grippy the mouse is inside
 
     // pass-by-value not allowed for a toolbox because it corresponds 1-to-1
     // with an element in the UI.