fix build with subversion 1.7.0 (blender build infrastructure used sv…

…nversion

to pick up a version number; this used to say "exported" when no .svn dir is
present, now it says "unversioned directory", the build infrastructure
can't handle the whitespace). it's useless anyway so just blank this out.

result is the same as the case where svn isn't installed, so not bothering
to bump.

problem reported by espie@ naddy@

graphics/blender/patches/patch-tools_Blender_py

@@ -1,6 +1,6 @@
-$OpenBSD: patch-tools_Blender_py,v 1.3 2009/10/25 22:41:25 steven Exp $
---- tools/Blender.py.orig	Tue Sep  1 17:21:54 2009
-+++ tools/Blender.py	Wed Oct 14 23:43:51 2009
+$OpenBSD: patch-tools_Blender_py,v 1.4 2011/10/18 15:58:33 sthen Exp $
+--- tools/Blender.py.orig	Tue Sep  1 16:21:54 2009
++++ tools/Blender.py	Tue Oct 18 16:55:51 2011
 @@ -116,6 +116,7 @@ def setup_staticlibs(lenv):
  		'/usr/lib',
  		lenv['BF_OPENGL_LIBPATH'],
@@ -19,6 +19,15 @@ $OpenBSD: patch-tools_Blender_py,v 1.3 2009/10/25 22:41:25 steven Exp $
  		]
 
  	if lenv['WITH_BF_PYTHON'] and not lenv['WITH_BF_STATICPYTHON']:
+@@ -217,7 +219,7 @@ def buildinfo(lenv, build_type):
+ 	"""
+ 	build_date = time.strftime ("%Y-%m-%d")
+ 	build_time = time.strftime ("%H:%M:%S")
+-	build_rev = os.popen('svnversion').read()[:-1] # remove \n
++	build_rev = ""
+
+ 	obj = []
+ 	if lenv['BF_BUILDINFO']:
 @@ -398,7 +400,7 @@ class BlenderEnvironment(SConsEnvironment):
 
  		print bc.HEADER+'Configuring resource '+bc.ENDC+bc.OKGREEN+libname+bc.ENDC