build mustek_usb2 backend again, enable use of libpthread (#603321)

sane-backends.spec

@@ -1,7 +1,7 @@
 Summary: Scanner access software
 Name: sane-backends
 Version: 1.0.21
-Release: 4%{?dist}
+Release: 5%{?dist}
 # lib/ is LGPLv2+, backends are GPLv2+ with exceptions
 # Tools are GPLv2+, docs are public domain
 # see LICENSE for details
@@ -103,7 +103,8 @@ LDFLAGS="-pie"
 %configure \
     --with-gphoto2=%{_prefix} \
     --with-docdir=%{_docdir}/%{name}-%{version} \
-    --disable-locking --disable-rpath
+    --disable-locking --disable-rpath \
+    --enable-pthread
 make %{?_smp_mflags}
 
 
@@ -168,6 +169,9 @@ rm -rf %{buildroot}
 %{_libdir}/pkgconfig/sane-backends.pc
 
 %changelog
+* Tue Nov 23 2010 Nils Philippsen <nils@redhat.com> - 1.0.21-5
+- build mustek_usb2 backend again, enable use of libpthread (#603321)
+
 * Mon Nov 08 2010 Nils Philippsen <nils@redhat.com>
 - let sane-backends require arch-specific version/release of -libs (#621217)