scripted-diff: Replace CCriticalSection with RecursiveMutex

-BEGIN VERIFY SCRIPT-
 # Delete outdated alias for RecursiveMutex
 sed -i -e '/CCriticalSection/d'                 ./src/sync.h
 # Replace use of outdated alias with RecursiveMutex
 sed -i -e 's/CCriticalSection/RecursiveMutex/g' $(git grep -l CCriticalSection)
-END VERIFY SCRIPT-

src/test/util_tests.cpp

@@ -38,7 +38,7 @@ BOOST_FIXTURE_TEST_SUITE(util_tests, BasicTestingSetup)
 
 BOOST_AUTO_TEST_CASE(util_criticalsection)
 {
-    CCriticalSection cs;
+    RecursiveMutex cs;
 
     do {
         LOCK(cs);