Windows XP support

**Describe the bug**
In the README, it says `Dr. Memory has full support for Windows (XP and higher)`.
However, on Windows XP, I get:

The function in question 'kernel32.ReleaseSRWLockExclusive' is available on Windows Vista or higher:
https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-releasesrwlockexclusive?redirectedfrom=MSDN

I have tried DrMemory version 2.5, 2.4 and 2.3.

**To Reproduce**
Steps to reproduce the behavior:
1. Run DrMemory on Windows XP (SP3)

**Screenshots or Pasted Text**
See above

**Versions**
- DrMemory 2.3, 2.4, 2.5
- Windows Embedded Standard (SP3)
- 32 bit