Added #ifdef NOMINMAX. Thanks Krzysztof Kondrak !
diff --git a/src/vk_mem_alloc.h b/src/vk_mem_alloc.h
index 0335da6..179e9df 100644
--- a/src/vk_mem_alloc.h
+++ b/src/vk_mem_alloc.h
@@ -1369,7 +1369,9 @@
     #endif

 #endif

 

-#define NOMINMAX // For windows.h

+#ifndef NOMINMAX

+    #define NOMINMAX // For windows.h

+#endif

 

 #include <vulkan/vulkan.h>