patch 8.2.0966: 'shortmess' flag "n" not used in two places

Problem:    'shortmess' flag "n" not used in two places.
Solution:   Make use of the "n" flag consistent. (Nick Jensen, closes vim#6245,
            closes vim#6244)

Author: brammool

src/buffer.c

@@ -3651,7 +3651,7 @@ fileinfo(
 #ifdef FEAT_QUICKFIX
 		    && !bt_dontwrite(curbuf)
 #endif
-					? _("[New file]") : "",
+					   ? new_file_message() : "",
 	    (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "",
 	    curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]")
 						      : _("[readonly]")) : "",

src/bufwrite.c

@@ -598,6 +598,12 @@ set_file_time(
 }
 #endif // UNIX
 
+    char *
+new_file_message(void)
+{
+    return shortmess(SHM_NEW) ? _("[New]") : _("[New File]");
+}
+
 /*
  * buf_write() - write to file "fname" lines "start" through "end"
  *
@@ -2347,7 +2353,7 @@ buf_write(
 	}
 	else if (newfile)
 	{
-	    STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]"));
+	    STRCAT(IObuff, new_file_message());
 	    c = TRUE;
 	}
 	if (no_eol)

src/fileio.c

@@ -506,7 +506,8 @@ readfile(
 			}
 		    }
 		    if (dir_of_file_exists(fname))
-			filemess(curbuf, sfname, (char_u *)_("[New File]"), 0);
+			filemess(curbuf, sfname,
+					      (char_u *)new_file_message(), 0);
 		    else
 			filemess(curbuf, sfname,
 					   (char_u *)_("[New DIRECTORY]"), 0);

src/proto/bufwrite.pro

@@ -1,3 +1,4 @@
 /* bufwrite.c */
+char *new_file_message(void);
 int buf_write(buf_T *buf, char_u *fname, char_u *sfname, linenr_T start, linenr_T end, exarg_T *eap, int append, int forceit, int reset_changed, int filtering);
 /* vim: set ft=c : */

src/testdir/dumps/Test_popup_textprop_corn_5.dump

@@ -9,4 +9,4 @@
 |~+0#4040ff13&| @35||+1#0000000&|5+0&&|3| @21|╚+0#0000001#ffd7ff255|═@9|╝| +0#0000000#ffffff0
 |~+0#4040ff13&| @35||+1#0000000&|5+0&&|4| @34
 |f+3&&|o@1| @15|0|,|0|-|1| @9|A|l@1| |[+1&&|N|o| |N|a|m|e|]| |[|+|]| @5|4|6|,|1| @10|4|8|%
-|"+0&&|f|o@1|"| |[|N|e|w| |F|i|l|e|]| @58
+|"+0&&|f|o@1|"| |[|N|e|w|]| @63

src/testdir/dumps/Test_start_with_tabs.dump

@@ -17,4 +17,4 @@
 |~| @73
 |~| @73
 |~| @73
-|"+0#0000000&|a|"| |[|N|e|w| |F|i|l|e|]| @42|0|,|0|-|1| @8|A|l@1| 
+|"+0#0000000&|a|"| |[|N|e|w|]| @47|0|,|0|-|1| @8|A|l@1| 

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    966,
 /**/
     965,
 /**/