force cmake 3.20 to not override msvc lib selection

CMakeLists.txt

@@ -57,6 +57,9 @@ if(MSVC_42_FOR_RECCMP)
     set(DETHRACE_PLATFORM_SDL3 OFF)
     set(BRENDER_BUILD_DRIVERS OFF)
 
+    # Allow us to explicitly set "/MLd"
+    set(CMAKE_MSVC_RUNTIME_LIBRARY "" CACHE STRING "" FORCE)
+
     set(CMAKE_C_FLAGS_DEBUG "/Od /Oi /Zi /MLd")
 
     include("reccmp")

src/DETHRACE/CMakeLists.txt

@@ -187,6 +187,7 @@ endif()
 # Create our main game binary.
 if(MSVC_42_FOR_RECCMP)
     add_executable(dethrace WIN32)
+
     set(CMAKE_C_FLAGS_DEBUG "/Oi /Zi /MLd /G5")
 
     add_compile_definitions(_DEBUG)