[kf5-kdesu/f20] Use make install/fast

[Daniel Vrátil]

commit a99f4050e2cf51341cdae25535d448e9e8057632
Author: Dan Vrátil <dvratil at redhat.com>
Date:   Wed Feb 11 16:33:26 2015 +0100

    Use make install/fast

 kf5-kdesu.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/kf5-kdesu.spec b/kf5-kdesu.spec
index 894f20f..b203fce 100644
--- a/kf5-kdesu.spec
+++ b/kf5-kdesu.spec
@@ -56,7 +56,7 @@ popd
 make %{?_smp_mflags} -C %{_target_platform}
 
 %install
-%make_install -C %{_target_platform}
+make install/fast DESTDIR=%{buildroot} -C %{_target_platform}
 %find_lang kdesu5_qt --with-qt --all-name