Fix a write by a write_all in link command

src/link.rs

@@ -18,9 +18,6 @@ use elf::endian::{AnyEndian, EndianParse};
 use elf::ElfBytes;
 use std::path::PathBuf;
 
-// use pip_mpu_relocate::reloc::RelIter;
-// use pip_mpu_relocate::relocate::relocate;
-// use pip_mpu_relocate::symbols::SymbolsQuery;
 use std::io::{BufWriter, Seek, Write};
 
 use crate::rel_iter::{RelError, RelIter};
@@ -114,8 +111,7 @@ fn export_user_info<'data, T: Write, E: EndianParse>(
         let symbol = symbol?;
         let val = symbol.st_value as u32;
         let bytes = val.to_le_bytes();
-        eprintln!("Writing {:x} ({} bytes)", val, symbol.st_size);
-        output_file.write(&bytes)?;
+        output_file.write_all(&bytes)?;
         Ok(())
     })?;
     Ok(())