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- Remove unnecessary type annotation
- Replace c"" with CStr::from_bytes_with_nul for compatibility with
  older Rust versions

Author: Marcin Radomski

Diff for: src/lib.rs

@@ -176,7 +176,7 @@ impl Log for AndroidLogger {
 
         let module_path = record.module_path().unwrap_or_default();
 
-        let tag: &CStr = if let Some(ref tag) = config.tag {
+        let tag = if let Some(tag) = &config.tag {
             tag
         } else if module_path.len() < tag_bytes.len() {
             fill_tag_bytes(&mut tag_bytes, module_path.as_bytes())

Diff for: src/platform_log_writer.rs

@@ -191,7 +191,7 @@ pub mod tests {
 
     #[test]
     fn platform_log_writer_init_values() {
-        let tag = c"tag";
+        let tag = CStr::from_bytes_with_nul(b"tag\0").unwrap();
 
         let writer = PlatformLogWriter::new(None, Level::Warn, tag);
 
@@ -301,7 +301,7 @@ pub mod tests {
         PlatformLogWriter::new(
             None,
             Level::Warn,
-            c"tag",
+            CStr::from_bytes_with_nul(b"tag\0").unwrap(),
         )
     }
 }