Fixup patch

Signed-off-by: Igor Raits <ignatenkobrain@fedoraproject.org>

0001-Cast-gethostname-arguments-to-a-proper-type.patch

@@ -1,4 +1,4 @@
-From f7c398680b57b3fce0584314ac255e45ef1bd932 Mon Sep 17 00:00:00 2001
+From 0b78f6160ccb7c3f7fcc10e56defca051c249c61 Mon Sep 17 00:00:00 2001
 From: Igor Raits <i.gnatenko.brain@gmail.com>
 Date: Sat, 15 Feb 2020 11:38:40 +0100
 Subject: [PATCH] Cast gethostname() arguments to a proper type
@@ -6,14 +6,14 @@ Subject: [PATCH] Cast gethostname() arguments to a proper type
 Closes: https://github.com/FillZpp/sys-info-rs/issues/43
 Signed-off-by: Igor Raits <i.gnatenko.brain@gmail.com>
 ---
- lib.rs | 2 +-
+ lib.rs | 4 ++--
- 1 file changed, 1 insertion(+), 1 deletion(-)
+ 1 file changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/lib.rs b/lib.rs
-index b26bb9f..8bb1891 100644
+index b26bb9f..11b3547 100644
 --- a/lib.rs
 +++ b/lib.rs
-@@ -395,7 +395,7 @@ pub fn hostname() -> Result<String, Error> {
+@@ -395,10 +395,10 @@ pub fn hostname() -> Result<String, Error> {
          unsafe {
              let buf_size = libc::sysconf(libc::_SC_HOST_NAME_MAX) as usize;
              let mut buf = Vec::<u8>::with_capacity(buf_size + 1);
@@ -21,7 +21,11 @@ index b26bb9f..8bb1891 100644
 +            if libc::gethostname(buf.as_mut_ptr() as *mut libc::c_char, buf_size) < 0 {
                  return Err(Error::IO(io::Error::last_os_error()));
              }
-             let hostname_len = libc::strnlen(buf.as_ptr() as *const i8, buf_size);
+-            let hostname_len = libc::strnlen(buf.as_ptr() as *const i8, buf_size);
++            let hostname_len = libc::strnlen(buf.as_ptr() as *const libc::c_char, buf_size);
+             buf.set_len(hostname_len);
+             Ok(ffi::CString::new(buf).unwrap().into_string().unwrap())
+         }
 -- 
 2.25.0