Issue #80 - Resolve issues with compiling on insane gcc configurations with no optimizations in layout/

(and fix a typo for cs fs)

layout/style/Declaration.cpp

@@ -14,6 +14,7 @@
 #include "mozilla/css/Declaration.h"
 #include "nsPrintfCString.h"
 #include "gfxFontConstants.h"
+#include "nsCSSRules.h"
 #include "nsStyleUtil.h"
 
 namespace mozilla {

layout/style/nsCSSScanner.cpp

@@ -14,6 +14,8 @@
 #include "mozilla/Likely.h"
 #include <algorithm>
 
+using mozilla::IsNaN;
+
 /* Character class tables and related helper functions. */
 
 static const uint8_t IS_HEX_DIGIT  = 0x01;