Really fix the redness from bug 693469. r=red

xpcom/base/nsSystemInfo.cpp

@@ -64,7 +64,7 @@ nsSystemInfo::~nsSystemInfo()
 }
 
 // CPU-specific information.
-static const struct {
+static const struct PropItems {
     const char *name;
     bool (*propfun)(void);
 } cpuPropItems[] = {