gnucash maint: Fix TravisCI build failure.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/59a6ebc3 (commit)
	from  https://github.com/Gnucash/gnucash/commit/0cf42a75 (commit)



commit 59a6ebc33a289de9f35a975feacfc91e09bb54e1
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Sep 18 15:07:47 2018 -0700

    Fix TravisCI build failure.

diff --git a/common/base-typemaps.i b/common/base-typemaps.i
index f53ed09..33e9dff 100644
--- a/common/base-typemaps.i
+++ b/common/base-typemaps.i
@@ -252,7 +252,8 @@ typedef char gchar;
         for (i = size-1; i >= 0; i--) {
             PyObject *o = PyList_GetItem($input, i);
             if (PyUnicode_Check(o)) {
-                $1 = g_slist_prepend($1,PyUnicode_AsUTF8(PyList_GetItem($input, i)));
+                /* There's no way to preserve constness in GSList items. */
+                $1 = g_slist_prepend($1, (char*)PyUnicode_AsUTF8(PyList_GetItem($input, i)));
             } else {
                 PyErr_SetString(PyExc_TypeError, "list must contain strings");
                 g_slist_free($1);



Summary of changes:
 common/base-typemaps.i | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)