[intltool] Use parallel make flags

[David King]

commit 4da29b5efc3dd9f3b8eec55efdfed59bde65e8cb
Author: David King <amigadave at amigadave.com>
Date:   Mon Mar 9 07:53:53 2015 +0000

    Use parallel make flags
    
    https://fedoraproject.org/wiki/Packaging:Guidelines#Parallel_make

 intltool.spec | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/intltool.spec b/intltool.spec
index 92d91dc..ec73c34 100644
--- a/intltool.spec
+++ b/intltool.spec
@@ -35,7 +35,7 @@ them in the po files.
 %build
 %configure
 
-make
+make %{?_smp_mflags}
 
 %install
 make install DESTDIR=$RPM_BUILD_ROOT INSTALL="install -p"
@@ -56,6 +56,7 @@ make check
 - Update to 0.51.0
 - Use license macro for COPYING
 - Preserve timestamps during install
+- Use parallel make flags
 
 * Sat Jun 07 2014 Fedora Release Engineering <rel-eng at lists.fedoraproject.org> - 0.50.2-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild