waf: fixed path to abi_directory

this broke in a recent patch

diff --git a/buildtools/wafsamba/wafsamba.py b/buildtools/wafsamba/wafsamba.py
index fa910886a3d33893a74d8eb8572cc33d401618a3..2c6f4b7883282123174906f8663f26ca386302a4 100644 (file)
--- a/buildtools/wafsamba/wafsamba.py
+++ b/buildtools/wafsamba/wafsamba.py
@@ -238,7 +238,7 @@ def SAMBA_LIBRARY(bld, libname, source,
         name            = libname,
         samba_realname  = realname,
         samba_install   = install,
-        abi_directory   = abi_directory,
+        abi_directory   = "%s/%s" % (bld.path.abspath(), abi_directory),
         abi_match       = abi_match,
         private_library = private_library,
         grouping_library=grouping_library