scripted-diff: rename cs_SubVer -> m_subver_mutex

-BEGIN VERIFY SCRIPT-
sed -i 's/cs_SubVer/m_subver_mutex/g' ./src/net.h ./src/net.cpp ./src/net_processing.cpp
-END VERIFY SCRIPT-

src/net.h

@@ -434,12 +434,12 @@ public:
     //! Whether this peer is an inbound onion, i.e. connected via our Tor onion service.
     const bool m_inbound_onion;
     std::atomic<int> nVersion{0};
-    RecursiveMutex cs_SubVer;
+    RecursiveMutex m_subver_mutex;
     /**
      * cleanSubVer is a sanitized string of the user agent byte array we read
      * from the wire. This cleaned string can safely be logged or displayed.
      */
-    std::string cleanSubVer GUARDED_BY(cs_SubVer){};
+    std::string cleanSubVer GUARDED_BY(m_subver_mutex){};
     bool m_prefer_evict{false}; // This peer is preferred for eviction.
     bool HasPermission(NetPermissionFlags permission) const {
         return NetPermissions::HasFlag(m_permissionFlags, permission);