[fltk] move autoconf call to %prep (trivial)

[Rex Dieter]

commit d47b9492c67578f6e7fe0d138e65d694436643a1
Author: Rex Dieter <rdieter at math.unl.edu>
Date:   Thu Jan 16 06:56:41 2014 -0600

    move autoconf call to %prep (trivial)

 fltk.spec |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/fltk.spec b/fltk.spec
index d7366e8..f601bab 100644
--- a/fltk.spec
+++ b/fltk.spec
@@ -124,10 +124,10 @@ Requires: %{name}-devel
 # verbose build output
 sed -i.silent '\,^.SILENT:,d' makeinclude.in
 
+autoconf
 
-%build
 
-autoconf
+%build
 
 # using --with-optim, so unset CFLAGS/CXXFLAGS
 export CFLAGS=" "