patch 7.4.928

Problem:    A clientserver message interrupts handling keys of a mapping.
Solution:   Have mch_inchar() send control back to WaitForChar when it is
            interrupted by server message. (James Kolb)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    928,
 /**/
     927,
 /**/