General clean up on bookmaker.

Command line runs without error for
SkBitmap, SkPath, SkRect, SkIRect,
SkPixmap, SkCanvas.

Docs-Preview: https://skia.org/?cl=57112
TBR: caryclark@google.com
Bug: skia:6898
Change-Id: I73b69ae8ffdf0a1e6bc187dc8a9dfb28f7766faa
Reviewed-on: https://skia-review.googlesource.com/57112
Reviewed-by: Cary Clark <caryclark@skia.org>
Commit-Queue: Cary Clark <caryclark@skia.org>
diff --git a/docs/undocumented.bmh b/docs/undocumented.bmh
index d6a77b9..0239034 100644
--- a/docs/undocumented.bmh
+++ b/docs/undocumented.bmh
@@ -443,6 +443,12 @@
     #Typedef SkScalar
     #Typedef ##
     ##
+    #Const SK_MinS32FitsInFloat
+    to be written
+    ##
+    #Const SK_MaxS32FitsInFloat
+    to be written
+    ##
     #Const SK_ScalarMin
     to be written
     ##