README.md: errata in Fig 12.7

Signed-off-by: Kaiwan N Billimoria <kaiwan.billimoria@gmail.com>
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Kaiwan N Billimoria
2025-07-08 08:15:24 +05:30
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@@ -83,6 +83,9 @@ with<br>
- Added the ch6/countem2.sh Bash script to the repo; it complements the ch6/countem.sh script, adding on a few details
- An error in the ch6/countem2.sh script has now (27dec2024) been fixed (fix calc of # of kernel-mode stacks in memory; feeing sheepish again!)
- Ch 12
- Figure 12.7 : circled point #4 should read: "tB now unlocks; tA and *tC* 'fight' for the lock; ..."
- Ch 13
- *Sincere apologies!* I've made several (small-ish) mistakes here! (please read on...)
- *Figure 13.14* - the circled numbers mentioned in the book are missing. The reason: I eventually removed the circled numbers from *Figure 13.14* as it was already a bit too crowded, but inadvertently missed updating the text; apologies, my mistake! So, **please ignore** the following: