fix mozilla build: for some reason, the XP strings (yep, allxpstr.h) are declared and allocated in that file.

network/cnvts/cvunzip.c

@@ -27,9 +27,11 @@
 #include "cvunzip.h"
 
 /* BEGIN NEW_STRING_LIB */
-/*#ifdef XP_MAC
+#ifdef XP_MAC
+#ifndef MOZ_NGLAYOUT
 #include "allxpstr.h"
-#endif*/
+#endif
+#endif
 /* END NEW_STRING_LIB */
 #ifdef MOZILLA_CLIENT