updated for version 7.4.054

Problem:    Reading past end of the 'stl' string.
Solution:   Don't increment pointer when already at the NUL. (Christian
            Brabandt)

src/buffer.c

@@ -4062,6 +4062,7 @@ build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar,
 		item[curitem].minwid = -syn_namen2id(t, (int)(s - t));
 		curitem++;
 	    }
+	    if (*s != NUL)
 		++s;
 	    continue;
 	}

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    54,
 /**/
     53,
 /**/