Bump up version 1.17.1

configure.ac

@@ -3,7 +3,7 @@
 #
 AC_PREREQ([2.67])
 LT_PREREQ([2.2.6])
-AC_INIT([aria2],[1.17.0],[t-tujikawa@users.sourceforge.net],[aria2],[http://aria2.sourceforge.net/])
+AC_INIT([aria2],[1.17.1],[t-tujikawa@users.sourceforge.net],[aria2],[http://aria2.sourceforge.net/])
 AC_USE_SYSTEM_EXTENSIONS
 LT_INIT([disable-static])
 dnl See versioning rule: