patch 8.1.1514: MS-Windows: wrong shell command with ! in 'guioptions'

Problem:    MS-Windows: wrong shell command with ! in 'guioptions'.
Solution:   Do not check for ! in 'guioptions' when applying 'shellxquote'.
            (Yasuhiro Matsumoto, closes #4519)

src/misc2.c

@@ -3251,15 +3251,7 @@ call_shell(char_u *cmd, int opt)
 	/* The external command may update a tags file, clear cached tags. */
 	tag_freematch();
 
-	if (cmd == NULL || *p_sxq == NUL
-#if defined(FEAT_GUI_MSWIN) && defined(FEAT_TERMINAL)
-		|| (
-# ifdef VIMDLL
-		    gui.in_use &&
-# endif
-		    vim_strchr(p_go, GO_TERMINAL) != NULL)
-#endif
-		)
+	if (cmd == NULL || *p_sxq == NUL)
 	    retval = mch_call_shell(cmd, opt);
 	else
 	{

src/version.c

@@ -777,6 +777,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1514,
 /**/
     1513,
 /**/