This patch re-enables the inotify interface on gtkdialog.

diff -ur old/configure.ac new/configure.ac
--- old/configure.ac	2015-06-13 18:56:38.886618613 +0200
+++ new/configure.ac	2015-06-13 19:07:15.639947985 +0200
@@ -15,8 +15,8 @@
 fi
 # Don't uncomment this as there's a limit on the number of file
 # descriptors -- see /proc/sys/fs/inotify/max_user_instances
-#AC_CHECK_HEADER([sys/inotify.h], [AC_DEFINE([HAVE_SYS_INOTIFY_H], 1,
-#	[Define to 1 if you have the <sys/inotify.h> header file.])])
+AC_CHECK_HEADER([sys/inotify.h], [AC_DEFINE([HAVE_SYS_INOTIFY_H], 1,
+	[Define to 1 if you have the <sys/inotify.h> header file.])])
 
 # Checks for programs.
 AC_ISC_POSIX