patch 7.4.1743

Problem:    Clang warns for uninitialzed variable. (Michael Jarvis)
Solution:   Initialize it.

src/if_py_both.h

@@ -6070,7 +6070,7 @@ ConvertFromPyMapping(PyObject *obj, typval_T *tv)
 ConvertFromPySequence(PyObject *obj, typval_T *tv)
 {
     PyObject	*lookup_dict;
-    int		ret;
+    int		ret = 0;
 
     if (!(lookup_dict = PyDict_New()))
 	return -1;

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1743,
 /**/
     1742,
 /**/