Access violation for UHD_LOG_*

[SteamedBunInvasion]

Issue Description

Using the UHD_LOG_INFO/UHD_LOG_ERROR/UHD_LOG_WARNING/UHD_LOG_TRACE/UHD_LOG_DEBUG will crash the application

Setup Details

windows 64 bit professional
USRP N210/B205mini
Visual Studio 2019
precompiled UHD win64 bit (https://files.ettus.com/binaries/uhd/latest_release/4.1.0.5/Windows-10-x64/uhd_4.1.0.5-release_Winx64_VS2019.exe) - also tried with the latest 4.2.0.0
precompiled libboost 1.78.0 (https://sourceforge.net/projects/boost/files/boost-binaries/1.78.0/boost_1_78_0-msvc-14.2-64.exe)

Expected Behavior

Produce a log line to the console.

Actual Behaviour

Exception thrown at 0x00007FF9D1C9BCFA (uhd.dll) in test_uhd_log.exe: 0xC0000005: Access violation reading location 0x0000000000003B30.
or
Exception thrown at 0x00007FF8AB7CBCFA (uhd.dll) in test_uhd_log.exe: 0xC0000005: Access violation reading location 0x000000CC000056D8.
or
Exception thrown at 0x00007FF8A22BBCFA (uhd.dll) in test_uhd_log.exe: 0xC0000005: Access violation reading location 0x000000C200004C58.
etc, the address is changed when using different log functions

Steps to reproduce the problem

Use the specified software/hardware (actully, you can also reproduce the error without the device itself)
Use any of the examples as a template and add a line to use the log. e.g.:
UHD_LOG_INFO("asasa", "asasas");

Additional Information

When compiling the source by myself in debug mode the error is not produced. when comiling with release mode the error is reproduced.
Sometimes, error with std::alloc might occur instead of access violation