[mutter] force autoreconf so it pulls in newer aclocal

[Ray Strode]

commit c2f3beaccf88b497087c14527913a87d677ae6f3
Author: Ray Strode <rstrode at redhat.com>
Date:   Mon Jan 12 14:19:51 2015 -0500

    force autoreconf so it pulls in newer aclocal

 mutter.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/mutter.spec b/mutter.spec
index 789328b..95e4249 100644
--- a/mutter.spec
+++ b/mutter.spec
@@ -97,6 +97,7 @@ the functionality of the installed %{name} package.
 %patch0 -p1 -b .dont-depend-on-unreleased-wayland
 
 %build
+autoreconf -f -i
 (if ! test -x configure; then NOCONFIGURE=1 ./autogen.sh; fi;
  %configure --disable-static --enable-compile-warnings=maximum --enable-installed-tests)