r26594: Add right paths to the Python sys.path setting so we don't have to set magic environment variables when running from the build directory.

(This used to be commit 2d2674ad79)

source4/scripting/python/modules.c

@@ -43,3 +43,11 @@ void py_load_samba_modules(void)
 		PyImport_ExtendInittab(&py_modules[i]);
 	}
 }
+
+void py_update_path(const char *bindir)
+{
+	char *newpath;
+	asprintf(&newpath, "%s:%s/python:%s/../scripting/python", Py_GetPath(), bindir, bindir);
+	PySys_SetPath(newpath);
+	free(newpath);
+}