ksud: fix some warnings

warning: hiding a lifetime that's elided elsewhere is confusing
  --> src/sepolicy.rs:22:30
   |
22 | fn parse_bracket_objs(input: &str) -> IResult<&str, SeObject> {
   |                              ^^^^             ----  -------- the same lifetime is hidden here
   |                              |                |
   |                              |                the same lifetime is elided here
   |                              the lifetime is elided here

Signed-off-by: rsuntk <rsuntk@yukiprjkt.my.id>

userspace/ksud/src/sepolicy.rs

@@ -19,7 +19,7 @@ fn parse_single_word(input: &str) -> IResult<&str, &str> {
     take_while1(is_sepolicy_char).parse(input)
 }
 
-fn parse_bracket_objs(input: &str) -> IResult<&str, SeObject> {
+fn parse_bracket_objs<'a>(input: &'a str) -> IResult<&'a str, SeObject<'a>> {
     let (input, (_, words, _)) = (
         tag("{"),
         take_while_m_n(1, 100, |c: char| is_sepolicy_char(c) || c.is_whitespace()),
@@ -29,12 +29,12 @@ fn parse_bracket_objs(input: &str) -> IResult<&str, SeObject> {
     Ok((input, words.split_whitespace().collect()))
 }
 
-fn parse_single_obj(input: &str) -> IResult<&str, SeObject> {
+fn parse_single_obj<'a>(input: &'a str) -> IResult<&'a str, SeObject<'a>> {
     let (input, word) = take_while1(is_sepolicy_char).parse(input)?;
     Ok((input, vec![word]))
 }
 
-fn parse_star(input: &str) -> IResult<&str, SeObject> {
+fn parse_star<'a>(input: &'a str) -> IResult<&'a str, SeObject<'a>> {
     let (input, _) = tag("*").parse(input)?;
     Ok((input, vec!["*"]))
 }
@@ -42,12 +42,12 @@ fn parse_star(input: &str) -> IResult<&str, SeObject> {
 // 1. a single sepolicy word
 // 2. { obj1 obj2 obj3 ...}
 // 3. *
-fn parse_seobj(input: &str) -> IResult<&str, SeObject> {
+fn parse_seobj<'a>(input: &'a str) -> IResult<&'a str, SeObject<'a>> {
     let (input, strs) = alt((parse_single_obj, parse_bracket_objs, parse_star)).parse(input)?;
     Ok((input, strs))
 }
 
-fn parse_seobj_no_star(input: &str) -> IResult<&str, SeObject> {
+fn parse_seobj_no_star<'a>(input: &'a str) -> IResult<&'a str, SeObject<'a>> {
     let (input, strs) = alt((parse_single_obj, parse_bracket_objs)).parse(input)?;
     Ok((input, strs))
 }