ksud: Remove sufix of 'v' in version tag

close #331

userspace/ksud/build.rs

@@ -29,6 +29,7 @@ fn get_git_version() -> Result<(u32, String), std::io::Error> {
             "Failed to read git describe stdout",
         )
     })?;
+    let version_name = version_name.trim_start_matches('v').to_string();
     Ok((version_code, version_name))
 }
 

userspace/ksud/src/ksu.rs

@@ -126,7 +126,7 @@ pub fn root_shell() -> Result<()> {
     }
 
     if matches.opt_present("v") {
-        println!("{}:KernelSU", "25.2");
+        println!("{}:KernelSU", defs::VERSION_NAME);
         return Ok(());
     }