Also print external module/symbol names in `parse_drmingw.sh`

[Robyt3]

Example output before this change:

Module offset: 0x00007FF7C8DE0000
Image base: 0x0000000140000000
0x0000000772cb5efc: ?? ??:0
0x000000077cd5c3e8: ?? ??:0
0x000000075d063cc3: ?? ??:0
0x000000075d2a3d61: ?? ??:0
0x000000075d0b7fde: ?? ??:0
0x000000075d2a5f18: ?? ??:0
0x000000075d2a6809: ?? ??:0
0x000000075d0b8140: ?? ??:0
0x000000075cf9d41b: ?? ??:0
0x000000014034b4c7: CCommandProcessorFragment_Vulkan::WaitFrame() at src/engine/client/backend/vulkan/backend_vulkan.cpp:2341
0x000000014034a1a5: CCommandProcessorFragment_Vulkan::NextFrame() at src/engine/client/backend/vulkan/backend_vulkan.cpp:2501
0x000000014032d5b6: CCommandProcessorFragment_Vulkan::RunCommand(CCommandBuffer::SCommand const*) at src/engine/client/backend/vulkan/backend_vulkan.cpp:6473
0x000000014001a7e6: CCommandProcessor_SDL_GL::RunBuffer(CCommandBuffer*) at src/engine/client/backend_sdl.cpp:335
0x00000001400168eb: CGraphicsBackend_Threaded::ThreadFunc(void*) at src/engine/client/backend_sdl.cpp:65
0x0000000140237f9a: CWindowsComLifecycle::~CWindowsComLifecycle() at src/base/system.cpp:4660
 (inlined by) thread_run at src/base/system.cpp:796
0x00000007ea7e257d: ?? ??:0
0x00000007eb62aa48: ?? ??:0

Output for the same crash dump with this change:

Module offset: 0x00007FF7C8DE0000
Image base: 0x0000000140000000

amdvlk64.dll!vk_icdGetInstanceProcAddrSG+0x1f40c
atig6pxx.dll!AmdGetCallbackProcs+0x124
amdvlk64.dll!vk_icdGetInstanceProcAddrSG+0x57773
amdvlk64.dll!vk_icdGetInstanceProcAddrSG+0x297811
amdvlk64.dll!vk_icdGetInstanceProcAddrSG+0xaba8e
amdvlk64.dll!vk_icdGetInstanceProcAddrSG+0x2999c8
amdvlk64.dll!vk_icdGetInstanceProcAddrSG+0x29a2b9
amdvlk64.dll!vk_icdGetInstanceProcAddrSG+0xabbf0
amdvlk64.dll!IcdPresentBuffers+0xb8eb
0x000000014034b4c7: CCommandProcessorFragment_Vulkan::WaitFrame() at src/engine/client/backend/vulkan/backend_vulkan.cpp:2341
0x000000014034a1a5: CCommandProcessorFragment_Vulkan::NextFrame() at src/engine/client/backend/vulkan/backend_vulkan.cpp:2501
0x000000014032d5b6: CCommandProcessorFragment_Vulkan::RunCommand(CCommandBuffer::SCommand const*) at src/engine/client/backend/vulkan/backend_vulkan.cpp:6473
0x000000014001a7e6: CCommandProcessor_SDL_GL::RunBuffer(CCommandBuffer*) at src/engine/client/backend_sdl.cpp:335
0x00000001400168eb: CGraphicsBackend_Threaded::ThreadFunc(void*) at src/engine/client/backend_sdl.cpp:65
0x0000000140237f9a: CWindowsComLifecycle::~CWindowsComLifecycle() at src/base/system.cpp:4660
 (inlined by) thread_run at src/base/system.cpp:796
KERNEL32.DLL!BaseThreadInitThunk+0x1d
ntdll.dll!RtlUserThreadStart+0x28

Also improve variable names in the script and add some comments.

Checklist

• [ ] Tested the change ingame
• [ ] Provided screenshots if it is a visual change
• [ ] Tested in combination with possibly related configuration options
• [ ] Written a unit test (especially base/) or added coverage to integration test
• [ ] Considered possible null pointers and out of bounds array indexing
• [ ] Changed no physics that affect existing maps
• [ ] Tested the change with ASan+UBSan or valgrind's memcheck (optional)