Fix call convention warnings for AArch64

Cabal/src/Distribution/Compat/GetShortPathName.hs

@@ -23,7 +23,7 @@ import System.Win32          (LPCTSTR, LPTSTR, DWORD)
 import Foreign.Marshal.Array (allocaArray)
 
 {- FOURMOLU_DISABLE -}
-#ifdef x86_64_HOST_ARCH
+#if defined(x86_64_HOST_ARCH) || defined(aarch64_HOST_ARCH)
 #define WINAPI ccall
 #else
 #define WINAPI stdcall

Cabal/src/Distribution/Compat/Time.hs

@@ -94,7 +94,7 @@ getModTime path = allocaBytes size_WIN32_FILE_ATTRIBUTE_DATA $ \info -> do
       return $! ModTime (qwTime :: Word64)
 
 {- FOURMOLU_DISABLE -}
-#ifdef x86_64_HOST_ARCH
+#if defined(x86_64_HOST_ARCH) || defined(aarch64_HOST_ARCH)
 #define CALLCONV ccall
 #else
 #define CALLCONV stdcall

Cabal/src/Distribution/Simple/InstallDirs.hs

@@ -537,7 +537,7 @@ csidl_PROGRAM_FILES = 0x0026
 -- csidl_PROGRAM_FILES_COMMON = 0x002b
 
 {- FOURMOLU_DISABLE -}
-#ifdef x86_64_HOST_ARCH
+#if defined(x86_64_HOST_ARCH) || defined(aarch64_HOST_ARCH)
 #define CALLCONV ccall
 #else
 #define CALLCONV stdcall

cabal-install/src/Distribution/Client/Win32SelfUpgrade.hs

@@ -166,7 +166,7 @@ deleteOldExeFile verbosity oldPID tmpPath = do
 -- A bunch of functions sadly not provided by the Win32 package.
 
 {- FOURMOLU_DISABLE -}
-#ifdef x86_64_HOST_ARCH
+#if defined(x86_64_HOST_ARCH) || defined(aarch64_HOST_ARCH)
 #define CALLCONV ccall
 #else
 #define CALLCONV stdcall