codman: Show %Code as whole numbers for files

File percentages show one decimal place while directory percentages
show whole numbers. Display file %Code as whole numbers to match the
directory format for cleaner, more consistent output.

Co-developed-by: Claude <noreply@anthropic.com>
Signed-off-by: Simon Glass <simon.glass@canonical.com>

tools/codman/output.py

@@ -397,7 +397,7 @@ def print_dir_stats(dir_stats, file_results, by_subdirs, show_files,
                     # Align with directory format: skip Files/Used columns,
                     # show %code, then lines in kLOC column, active in Used column
                     print(f"  {filename:<38} {'':>7} {'':>7} {'':>6} "
-                          f"{pct_active:>6.1f} {klocs(info['total']):>8} "
+                          f"{pct_active:>6.0f} {klocs(info['total']):>8} "
                           f"{klocs(info['active']):>7}")
                 else:
                     # Show file-level only