Uses objdump -x and looks for DLL Name: lines. i.e:
0objdump -x src/qt/bitcoin-qt.exe | grep "DLL Name:"
1 DLL Name: ADVAPI32.dll
2 DLL Name: dwmapi.dll
3 DLL Name: GDI32.dll
4 DLL Name: IMM32.dll
5 DLL Name: IPHLPAPI.DLL
6 DLL Name: KERNEL32.dll
7 DLL Name: msvcrt.dll
8 DLL Name: ole32.dll
9 DLL Name: OLEAUT32.dll
10 DLL Name: SHELL32.dll
11 DLL Name: SHLWAPI.dll
12 DLL Name: USER32.dll
13 DLL Name: UxTheme.dll
14 DLL Name: VERSION.dll
15 DLL Name: WINMM.dll
16 DLL Name: WS2_32.dll
