updated for version 7.3.483

Problem:    More prompt shows up too often.
Solution:   Instead of adding a line break, only start a new line in the
            message history. (Christian Brabandt)

src/message.c

@@ -2347,6 +2347,16 @@ msg_sb_start(mps)
     return mp;
 }
 
+/*
+ * Mark the last message chunk as finishing the line.
+ */
+    void
+msg_sb_eol()
+{
+    if (last_msgchunk != NULL)
+	last_msgchunk->sb_eol = TRUE;
+}
+
 /*
  * Display a screen line from previously displayed text at row "row".
  * Returns a pointer to the text for the next line (can be NULL).