dnd: Check for spaces after '%' character

In this case the directory name should not be escaped. I recently bumped
into this issue with the '100% Clubland 90s' album.

Signed-off-by: Eduardo Lima (Etrunko) <eblima@gmail.com>

src/bin/dnd.c

@@ -70,7 +70,7 @@ _escape_parse(const char *str)
 
    for (d = dest, s = str; *s; d++)
      {
-        if (s[0] == '%')
+        if (s[0] == '%' && !isspace(s[1]))
           {
              if (s[1] && s[2])
                {