diff -r 1fc41304d5e5 -r f0b0af3a8999 jdk/makefiles/CompileJavaClasses.gmk
--- a/jdk/makefiles/CompileJavaClasses.gmk	Thu Dec 06 12:04:35 2012 -0800
+++ b/jdk/makefiles/CompileJavaClasses.gmk	Mon Dec 10 20:58:36 2012 -0800
@@ -121,6 +121,7 @@
 	     sun/nio/fs/LinuxFileStore.java \
 	     sun/nio/fs/LinuxFileSystem.java \
 	     sun/nio/fs/LinuxFileSystemProvider.java \
+	     sun/nio/fs/MagicFileTypeDetector.java \
 	     sun/nio/fs/LinuxNativeDispatcher.java \
 	     sun/nio/fs/LinuxUserDefinedFileAttributeView.java \
 	     sun/nio/fs/LinuxWatchService.java