Re-enable parallel make

The parallel make issue with GIR generation should be fixed now with
gobject-introspection-1.45.4-1.fc23.

clutter.spec

@@ -13,7 +13,7 @@
 
 Name:          clutter
 Version:       1.23.4
-Release:       1%{?dist}
+Release:       2%{?dist}
 Summary:       Open Source software library for creating rich graphical user interfaces
 
 Group:         Development/Libraries
@@ -104,7 +104,7 @@ the functionality of the installed clutter package.
         --enable-wayland-compositor \
 %endif
 
-make V=1
+make %{?_smp_mflags} V=1
 
 %install
 make install DESTDIR=%{buildroot} INSTALL='install -p'
@@ -141,6 +141,9 @@ find %{buildroot} -name '*.la' -delete
 %endif
 
 %changelog
+* Fri Aug 21 2015 Kalev Lember <klember@redhat.com> - 1.23.4-2
+- Re-enable parallel make
+
 * Thu Jul 23 2015 Florian Müllner <fmuellner@redhat.com> - 1.23.4-1
 - Update to 1.23.4