Added base patch for 2.6.28 patch generation with mkpatch.

git-svn-id: svn://svn.berlios.de//socketcan/trunk@958 030b6a49-0b11-0410-94ab-b0dab22257f2

diff --git a/patches/2.6.28.diff b/patches/2.6.28.diff
new file mode 120000 (symlink)
index 0000000..d6d003b
--- /dev/null
+++ b/patches/2.6.28.diff
@@ -0,0 +1 @@
+2.6.25.diff
\ No newline at end of file