Correct a typo in build_workaround_header.py

Change-Id: I356cfc0c59ada46d93130af136168489f6287c02
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/433898
Reviewed-by: Kevin Lubick <kjlubick@google.com>

AUTHORS

@@ -70,4 +70,5 @@ Zhuo Qingliang <zhuo.dev@gmail.com>
 Mainframe North <*@mainframe.co.uk>
 JetBrains <*@jetbrains.com>
 Vibe Inc <*@vibe.us>
-Scene Group Ltd. <*@scenegroup.co>
+Scene Group Ltd. <*@scenegroup.co>
+LG Electronics <*@lge.com>

tools/build_workaround_header.py

@@ -46,7 +46,7 @@ def write_header(filename, workarounds):
       write(indent + macro + '(' + w.upper() + ',')
       write(indent + ' ' * (len(macro) + 1) + w + ')')
 
-    # one extra line to consume the the last \
+    # one extra line to put 'The End' comment.
     f.write('// The End\n')