[ghdl] add missing BR

[sailer]

commit 199b952d2396e4ff0d837ff25cf60c658dca05bf
Author: Thomas Sailer <t.sailer at alumni.ethz.ch>
Date:   Wed Mar 11 17:48:53 2015 +0100

    add missing BR

 ghdl.spec | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/ghdl.spec b/ghdl.spec
index 6af027d..a22cfba 100644
--- a/ghdl.spec
+++ b/ghdl.spec
@@ -149,6 +149,7 @@ BuildRequires: zlib-devel(x86-32)
 %endif
 %endif
 %if %{with llvm}
+BuildRequires: libedit-devel
 BuildRequires: clang
 BuildRequires: llvm
 BuildRequires: llvm-devel