configure.ac: increase version number constant to 2.5
configure.ac: increase version number constant to 2.5
yusiwen/libmpdclient,yusiwen/libmpdclient,cmende/libmpdclient,cmende/libmpdclient,jwise/libmpdclient,jwise/libmpdclient,sl0th/libmpdclient,jagleeso/libmpdclient,cmende/libmpdclient,jwise/libmpdclient,jagleeso/libmpdclient,sl0th/libmpdclient,psych0tik/libmpdclient2,yusiwen/libmpdclient,psych0tik/libmpdclient2,jagleeso/libmpdclient,sl0th/libmpdclient