Bug 720580 - Indicate free bits in nsIXPCScriptable.idl. r=mrbkap

js/xpconnect/idl/nsIXPCScriptable.idl

@@ -92,6 +92,7 @@ interface nsIXPCScriptable : nsISupports
     const PRUint32 WANT_CALL                        = 1 << 13;
     const PRUint32 WANT_CONSTRUCT                   = 1 << 14;
     const PRUint32 WANT_HASINSTANCE                 = 1 << 15;
+    // Unused bit here!
     const PRUint32 USE_JSSTUB_FOR_ADDPROPERTY       = 1 << 17;
     const PRUint32 USE_JSSTUB_FOR_DELPROPERTY       = 1 << 18;
     const PRUint32 USE_JSSTUB_FOR_SETPROPERTY       = 1 << 19;
@@ -101,6 +102,7 @@ interface nsIXPCScriptable : nsISupports
     const PRUint32 CLASSINFO_INTERFACES_ONLY        = 1 << 23;
     const PRUint32 ALLOW_PROP_MODS_DURING_RESOLVE   = 1 << 24;
     const PRUint32 ALLOW_PROP_MODS_TO_PROTOTYPE     = 1 << 25;
+    // Unused bit here!
     const PRUint32 DONT_REFLECT_INTERFACE_NAMES     = 1 << 27;
     const PRUint32 WANT_EQUALITY                    = 1 << 28;
     const PRUint32 WANT_OUTER_OBJECT                = 1 << 29;