patch 8.0.1488: emacs tags no longer work

Problem:    Emacs tags no longer work. (zdohnal)
Solution:   Do not skip over end of line.

src/tag.c

@@ -2958,12 +2958,9 @@ matching_line_len(char_u *lbuf)
     char_u	*p = lbuf + 1;
 
     /* does the same thing as parse_match() */
-    p += STRLEN(p) + 2;
+    p += STRLEN(p) + 1;
 #ifdef FEAT_EMACS_TAGS
-    if (*p)
-	p += STRLEN(p);
-    else
-	++p;
+    p += STRLEN(p) + 1;
 #endif
     return (p - lbuf) + STRLEN(p);
 }