deps: Move from winapi to windows

`winapi` is in maintenance mode and the new blessed way to access Windows APIs are the `windows`
and `windows-sys` crates. I was forced to use `windows` because `sysinfo` uses the COM APIs
which are not present in `windows-sys`.

Cargo.toml

@@ -41,43 +41,42 @@ serde = { version = "^1.0.152", optional = true }
 once_cell = "1.0"
 
 [target.'cfg(windows)'.dependencies]
-# FIXME: remove std feature once https://github.com/retep998/winapi-rs/pull/1003 has been merged.
-winapi = { version = "0.3.9", features = [
-  "errhandlingapi",
-  "fileapi",
-  "handleapi",
-  "heapapi",
-  "ifdef",
-  "ioapiset",
-  "minwindef",
-  "pdh",
-  "psapi",
-  "synchapi",
-  "sysinfoapi",
-  "winbase",
-  "winerror",
-  "winioctl",
-  "winnt",
-  "oleauto",
-  "wbemcli",
-  "rpcdce",
-  "combaseapi",
-  "objidl",
-  "powerbase",
-  "netioapi",
-  "lmcons",
-  "lmaccess",
-  "lmapibuf",
-  "memoryapi",
-  "ntlsa",
-  "securitybaseapi",
-  "shellapi",
-  "std",
-  "iphlpapi",
-  "winsock2",
-  "sddl",
-]}
 ntapi = "0.4"
+windows = { version = "0.51", features = [
+  "Wdk_System_SystemInformation",
+  "Wdk_System_SystemServices",
+  "Wdk_System_Threading",
+  "Win32_Foundation",
+  "Win32_NetworkManagement_IpHelper",
+  "Win32_NetworkManagement_NetManagement",
+  "Win32_NetworkManagement_Ndis",
+  "Win32_Networking_WinSock",
+  "Win32_Security",
+  "Win32_Security_Authentication_Identity",
+  "Win32_Security_Authorization",
+  "Win32_Storage_FileSystem",
+  "Win32_System_Com",
+  "Win32_System_Diagnostics_Debug",
+  "Win32_System_IO",
+  "Win32_System_Ioctl",
+  "Win32_System_LibraryLoader",
+  "Win32_System_Kernel",
+  "Win32_System_Memory",
+  "Win32_System_Ole",
+  "Win32_System_Performance",
+  "Win32_System_Power",
+  "Win32_System_ProcessStatus",
+  "Win32_System_Registry",
+  "Win32_System_RemoteDesktop",
+  "Win32_System_Rpc",
+  "Win32_System_SystemInformation",
+  "Win32_System_SystemServices",
+  "Win32_System_Threading",
+  "Win32_System_Variant",
+  "Win32_System_WindowsProgramming",
+  "Win32_System_Wmi",
+  "Win32_UI_Shell",
+]}
 
 [target.'cfg(not(any(target_os = "unknown", target_arch = "wasm32")))'.dependencies]
 libc = "^0.2.144"

src/common.rs

@@ -1020,7 +1020,7 @@ pub fn get_current_pid() -> Result<Pid, &'static str> {
             }
         } else if #[cfg(windows)] {
             fn inner() -> Result<Pid, &'static str> {
-                use winapi::um::processthreadsapi::GetCurrentProcessId;
+                use windows::Win32::System::Threading::GetCurrentProcessId;
 
                 unsafe { Ok(Pid(GetCurrentProcessId() as _)) }
             }

src/lib.rs

@@ -36,8 +36,8 @@ cfg_if::cfg_if! {
         pub(crate) const MIN_USERS: usize = 1;
     } else if #[cfg(windows)] {
         mod windows;
-        use windows as sys;
-        use windows::network_helper;
+        use crate::windows as sys;
+        use crate::windows::network_helper;
         mod network;
 
         #[cfg(test)]