patch 7.4.1260

Problem:    The channel feature doesn't work on Win32 GUI.
Solution:   Use WSAGetLastError(). (Ken Takata)

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1260,
 /**/
     1259,
 /**/