patch 7.4.1347

Problem:    When there is any error Vim will use a non-zero exit code.
Solution:   When using ":silent!" do not set the exit code. (Yasuhiro
            Matsumoto)

src/message.c

@@ -531,7 +531,8 @@ emsg(char_u *s)
 	return TRUE;
 
     called_emsg = TRUE;
-    ex_exitval = 1;
+    if (emsg_silent == 0)
+	ex_exitval = 1;
 
     /*
      * If "emsg_severe" is TRUE: When an error exception is to be thrown,

src/version.c

@@ -747,6 +747,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1347,
 /**/
     1346,
 /**/