fix missing configure parameter in libelf spec

SPECS/libelf.spec

@@ -18,7 +18,8 @@ The elfutils package contains a set of utilities and libraries for handling ELF
 %setup -q -n elfutils-%{version}
 %build
 	./configure \
-		--prefix=%{_prefix}
+		--prefix=%{_prefix} \
+		--disable-debuginfod
 	make %{?_smp_mflags}
 %install
 	make DESTDIR=%{buildroot} -C libelf install