[PATCH] Fix svg in chapter7: change incorrect "Lock B" in `qsort` to "Lock C".

[Xuwei FU <maplewish117@xxxxxxxxx>]

From: Xuwei Fu <maplewish117@xxxxxxxxx>

Signed-off-by: Xuwei Fu <maplewish117@xxxxxxxxx>
---

Hi, paul.

In Chapter7's "Local Locking Hierarchies", 
 the "Lock B" in `qsort` is confusing, qsort 
 should acquire "Lock C" rather than "Lock B".

In this patch, "Lock B" in `qsort`  in svg is 
 changed to "Lock C".

   Thanks, Xuwei

--
 locking/LayeredLockHierarchy.svg  | 2 +-
 locking/LocalLockHierarchy.svg    | 2 +-
 locking/NoLockHierarchy.svg       | 2 +-
 locking/NonLocalLockHierarchy.svg | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/locking/LayeredLockHierarchy.svg b/locking/LayeredLockHierarchy.svg
index 05f0682f..49773940 100644
--- a/locking/LayeredLockHierarchy.svg
+++ b/locking/LayeredLockHierarchy.svg
@@ -334,7 +334,7 @@
              id="tspan3715-6-2-5"
              x="42.601532"
              y="70.638107"
-             style="font-size:4.93888903px;stroke-width:0.26458332">Lock B</tspan></text>
+             style="font-size:4.93888903px;stroke-width:0.26458332">Lock C</tspan></text>
       </g>
       <text
          id="text3717-3-7-3-9"
diff --git a/locking/LocalLockHierarchy.svg b/locking/LocalLockHierarchy.svg
index e4100879..bbe3bc92 100644
--- a/locking/LocalLockHierarchy.svg
+++ b/locking/LocalLockHierarchy.svg
@@ -321,7 +321,7 @@
              id="tspan3715-6-2-5"
              x="42.601532"
              y="70.638107"
-             style="font-size:4.93888903px;stroke-width:0.26458332">Lock B</tspan></text>
+             style="font-size:4.93888903px;stroke-width:0.26458332">Lock C</tspan></text>
       </g>
       <text
          id="text3717-3-7-3-9"
diff --git a/locking/NoLockHierarchy.svg b/locking/NoLockHierarchy.svg
index f892037d..7479ee62 100644
--- a/locking/NoLockHierarchy.svg
+++ b/locking/NoLockHierarchy.svg
@@ -298,7 +298,7 @@
              id="tspan3715-6-2-5"
              x="42.601532"
              y="70.638107"
-             style="font-size:4.93888903px;stroke-width:0.26458332">Lock B</tspan></text>
+             style="font-size:4.93888903px;stroke-width:0.26458332">Lock C</tspan></text>
       </g>
       <text
          id="text3717-3-7-3-9"
diff --git a/locking/NonLocalLockHierarchy.svg b/locking/NonLocalLockHierarchy.svg
index 264f6f14..fb686d23 100644
--- a/locking/NonLocalLockHierarchy.svg
+++ b/locking/NonLocalLockHierarchy.svg
@@ -321,7 +321,7 @@
              id="tspan3715-6-2-5"
              x="42.601532"
              y="70.638107"
-             style="font-size:4.93888903px;stroke-width:0.26458332">Lock B</tspan></text>
+             style="font-size:4.93888903px;stroke-width:0.26458332">Lock C</tspan></text>
       </g>
       <text
          id="text3717-3-7-3-9"
-- 
2.27.0