Fix the ~ expansion regex

The look-around things are fixed-width but the [stuff] is 1 char, and
the $ is 0 so it didn't work.  I already used that trick for the ^,
maybe it used to work due to a bug or smth.

parser/parse.c

@@ -462,7 +462,8 @@ gchar *parse_expand_tilde(const gchar *f)
     if (!f)
         return NULL;
 
-    regex = g_regex_new("(?:^|(?<=[ \\t]))~(?=[/ \\t$])", G_REGEX_MULTILINE | G_REGEX_RAW, 0, NULL);
+    regex = g_regex_new("(?:^|(?<=[ \\t]))~(?:(?=[/ \\t])|$)",
+                        G_REGEX_MULTILINE | G_REGEX_RAW, 0, NULL);
     ret = g_regex_replace_literal(regex, f, -1, 0, g_get_home_dir(), 0, NULL);
     g_regex_unref(regex);