[octave-specfun] fix build directory name

[sailer]

commit d240854f4ec538aa9a224c6a35c70f4faceef3fb
Author: Thomas Sailer <t.sailer at alumni.ethz.ch>
Date:   Mon Dec 19 11:41:41 2011 +0100

    fix build directory name

 octave-specfun.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/octave-specfun.spec b/octave-specfun.spec
index eee2a75..fa74a2e 100644
--- a/octave-specfun.spec
+++ b/octave-specfun.spec
@@ -32,7 +32,7 @@ and exponential integrals, Heaviside and Dirac functions, the Riemann zeta
 function and others.
 
 %prep
-%setup -q -n %{octpkg}-%{version}
+%setup -q -n %{octpkg}
 %patch0 -p0 -b .nostrip
 
 %build