Makefile.am: fix out-of-tree "sparse-check"
Makefile.am: fix out-of-tree "sparse-check"

Prefix with $(srcdir)/.

cmende/libmpdclient,yusiwen/libmpdclient,sl0th/libmpdclient,jwise/libmpdclient,sl0th/libmpdclient,yusiwen/libmpdclient,jwise/libmpdclient,jagleeso/libmpdclient,yusiwen/libmpdclient,psych0tik/libmpdclient2,cmende/libmpdclient,jagleeso/libmpdclient,jwise/libmpdclient,cmende/libmpdclient,jagleeso/libmpdclient,sl0th/libmpdclient,psych0tik/libmpdclient2