doc: minor corrections in random.cpp

This should have been part of #17151.

src/random.cpp

@@ -11,8 +11,8 @@
 #include <compat.h> // for Windows API
 #include <wincrypt.h>
 #endif
-#include <logging.h>  // for LogPrint()
-#include <sync.h>     // for WAIT_LOCK
+#include <logging.h>  // for LogPrintf()
+#include <sync.h>     // for Mutex
 #include <util/time.h> // for GetTime()
 
 #include <stdlib.h>
@@ -716,7 +716,7 @@ bool Random_SanityCheck()
     uint64_t start = GetPerformanceCounter();
 
     /* This does not measure the quality of randomness, but it does test that
-     * OSRandom() overwrites all 32 bytes of the output given a maximum
+     * GetOSRand() overwrites all 32 bytes of the output given a maximum
      * number of tries.
      */
     static const ssize_t MAX_TRIES = 1024;