Fix copy-paste error breaking the build on powerpc.

ok aja@

graphics/blender/Makefile

@@ -1,8 +1,7 @@
-# $OpenBSD: Makefile,v 1.47 2012/11/24 08:36:26 ajacoutot Exp $
+# $OpenBSD: Makefile,v 1.48 2012/11/26 15:02:40 pascal Exp $
 
 COMMENT =	3D creation software
 BROKEN-sparc64 = error: cast from 'ccl::uchar*' to 'CUdeviceptr' loses precision
-BROKEN-powerpc = avi_endian.c:54: error: 'val' undeclared
 
 DISTNAME =	blender-2.64a
 

graphics/blender/patches/patch-source_blender_avi_intern_avi_endian_c

@@ -0,0 +1,17 @@
+$OpenBSD: patch-source_blender_avi_intern_avi_endian_c,v 1.1 2012/11/26 15:02:40 pascal Exp $
+
+obvious copy-pasto
+
+--- source/blender/avi/intern/avi_endian.c.orig	Tue Oct  9 20:38:28 2012
++++ source/blender/avi/intern/avi_endian.c	Mon Nov 26 12:24:45 2012
+@@ -51,8 +51,8 @@
+ /* copied from BLI_endian_switch_inline.h */
+ static void invert(int *num)
+ {
+-	int tval = *val;
+-	*val = ((tval >> 24))             |
++	int tval = *num;
++	*num = ((tval >> 24))             |
+ 	       ((tval << 8) & 0x00ff0000) |
+ 	       ((tval >> 8) & 0x0000ff00) |
+ 	       ((tval << 24));