Fixed broken Dequeue() stopping condition

The CRingBuffer::Dequeue() function did not respect the nMaxCount
parameter, leading to buffer overflow/memory corruption.

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Memory corruption/crashing caused by faulty ring buffer dequeue implementation.
+
 ## [0.13.0] - 2023-02-23
 
 ### Added

include/ringbuffer.h

@@ -87,7 +87,7 @@ public:
 		size_t nDequeued = 0;
 		m_Lock.Acquire();
 
-		while (m_nInPtr != m_nOutPtr)
+		while (m_nInPtr != m_nOutPtr && nDequeued < nMaxCount)
 		{
 			pOutBuffer[nDequeued++] = m_Data[m_nOutPtr++];
 			m_nOutPtr &= BufferMask;