fix error message in build log. this is not for the build bustage.

build/mac/NGLayoutBuildList.pm

@@ -1294,7 +1294,7 @@ sub BuildClientDist()
     _InstallFromManifest(":mozilla:mailnews:addrbook:public:MANIFEST_IDL",          "$distdirectory:idl:");
     _InstallFromManifest(":mozilla:mailnews:addrbook:src:MANIFEST",                 "$distdirectory:mailnews:");
     _InstallFromManifest(":mozilla:mailnews:addrbook:build:MANIFEST",               "$distdirectory:mailnews:");
-    _InstallFromManifest(":mozilla:mailnews:absync:public:MANIFEST",            "$distdirectory:mailnews:");
+#    _InstallFromManifest(":mozilla:mailnews:absync:public:MANIFEST",            "$distdirectory:mailnews:");
                                                      
     print("--- Client Dist export complete ----\n");
 }