Revert talloc/wscript to the one from ldb-1.2.2

--- ldb-1.2.3/lib/talloc/wscript
+++ ldb-1.2.3/lib/talloc/wscript
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 
 APPNAME = 'talloc'
-VERSION = '2.1.9'
+VERSION = '2.1.10'
 
 
 blddir = 'bin'
@@ -74,19 +74,22 @@
                                      implied_deps='replace'):
             conf.define('USING_SYSTEM_TALLOC', 1)
 
-        using_system_pytalloc_util = True
-        if not conf.CHECK_BUNDLED_SYSTEM_PKG('pytalloc-util', minversion=VERSION,
-                                             implied_deps='talloc replace'):
+        if conf.env.disable_python:
             using_system_pytalloc_util = False
-
-        # We need to get a pytalloc-util for all the python versions
-        # we are building for
-        if conf.env['EXTRA_PYTHON']:
-            name = 'pytalloc-util' + conf.all_envs['extrapython']['PYTHON_SO_ABI_FLAG']
-            if not conf.CHECK_BUNDLED_SYSTEM_PKG(name, minversion=VERSION,
+        else:
+            using_system_pytalloc_util = True
+            if not conf.CHECK_BUNDLED_SYSTEM_PKG('pytalloc-util', minversion=VERSION,
                                                  implied_deps='talloc replace'):
                 using_system_pytalloc_util = False
 
+            # We need to get a pytalloc-util for all the python versions
+            # we are building for
+            if conf.env['EXTRA_PYTHON']:
+                name = 'pytalloc-util' + conf.all_envs['extrapython']['PYTHON_SO_ABI_FLAG']
+                if not conf.CHECK_BUNDLED_SYSTEM_PKG(name, minversion=VERSION,
+                                                     implied_deps='talloc replace'):
+                    using_system_pytalloc_util = False
+
         if using_system_pytalloc_util:
             conf.define('USING_SYSTEM_PYTALLOC_UTIL', 1)
 
@@ -171,12 +174,18 @@
 def test(ctx):
     '''run talloc testsuite'''
     import Utils, samba_utils
+
+    samba_utils.ADD_LD_LIBRARY_PATH('bin/shared')
+    samba_utils.ADD_LD_LIBRARY_PATH('bin/shared/private')
+
     cmd = os.path.join(Utils.g_module.blddir, 'talloc_testsuite')
     ret = samba_utils.RUN_COMMAND(cmd)
     print("testsuite returned %d" % ret)
     magic_helper_cmd = os.path.join(Utils.g_module.blddir, 'talloc_test_magic_differs_helper')
     magic_cmd = os.path.join(srcdir, 'lib', 'talloc',
                              'test_magic_differs.sh')
+    if not os.path.exists(magic_cmd):
+        magic_cmd = os.path.join(srcdir, 'test_magic_differs.sh')
 
     magic_ret = samba_utils.RUN_COMMAND(magic_cmd + " " +  magic_helper_cmd)
     print("magic differs test returned %d" % magic_ret)