check-style: Start enumerating lines from 1

This way "the line before start" and "the line before end" can be
expressed as "[start|end] - 1", which looks less like using a magic
number.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2733>

1 files changed, 3 insertions, 3 deletions

diff --git a/check-style.py b/check-style.py
index 9c3190576..94dcd2ad9 100755
--- a/check-style.py
+++ b/check-style.py
@@ -43,13 +43,13 @@ def reformat_chunks(chunks, rewrite):
         with open(file) as f:
             tmp = tempfile.NamedTemporaryFile()
             tmp.write(b'/** *INDENT-OFF* **/\n')
-            for i, line in enumerate(f):
-                if i == start - 2:
+            for i, line in enumerate(f, start=1):
+                if i == start - 1:
                     tmp.write(b'/** *INDENT-ON* **/\n')
 
                 tmp.write(bytes(line, 'utf-8'))
 
-                if i == end - 2:
+                if i == end - 1:
                     tmp.write(b'/** *INDENT-OFF* **/\n')
 
             tmp.seek(0)