[frobtads] Fix the build flags

[František Dvořák]

commit 2c9466f7db3cbec26430adee81e77ac855dd7269
Author: František Dvořák <valtri at civ.zcu.cz>
Date:   Sat Oct 29 01:30:29 2016 +0200

    Fix the build flags

 frobtads.spec | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/frobtads.spec b/frobtads.spec
index ce440d6..7c29bcb 100644
--- a/frobtads.spec
+++ b/frobtads.spec
@@ -43,9 +43,7 @@ This package contains Tads 2 and Tads 3 compilers.
 
 
 %build
-%ifarch %{ix86} %{arm}
-CXXFLAGS=-fpermissive \
-%endif
+CXXFLAGS="-fpermissive %optflags"
 %configure
 make %{?_smp_mflags} V=1