[host/common] windows: provide delayExecution via nsleep

This change moves this platform specific sleep to `common` as the OS
agnostic `nsleep` function.

Ref PR #661

host/platform/Windows/CMakeLists.txt

@@ -10,7 +10,6 @@ add_library(platform_Windows STATIC
 	src/service.c
 	src/mousehook.c
 	src/force_compose.c
-	src/delay.c
 )
 
 # allow use of functions for Windows 7 or later
@@ -18,31 +17,11 @@ add_compile_definitions(WINVER=0x0601 _WIN32_WINNT=0x0601)
 
 add_subdirectory("capture")
 
-if (MINGW)
-	# Build our own ntdll.dll import library
-	# This tricks MinGW into not linking stuff like memcpy from ntdll.dll instead of mscvrt.dll
-	if(NOT CMAKE_DLLTOOL)
-		# cmake older than 3.16 doesn't know how to find dlltool
-		find_program(CMAKE_DLLTOOL NAMES "x86_64-w64-mingw32-dlltool" "dlltool.exe" DOC "dlltool executable")
-	endif()
-	add_custom_command(OUTPUT "${PROJECT_BINARY_DIR}/ntdll.a"
-		COMMAND "${CMAKE_DLLTOOL}" -d "${PROJECT_SOURCE_DIR}/ntdll.def" -l "${PROJECT_BINARY_DIR}/ntdll.a"
-		MAIN_DEPENDENCY "${PROJECT_SOURCE_DIR}/ntdll.def"
-		COMMENT "Building import library ntdll.a"
-		VERBATIM
-	)
-	add_custom_target(ntdll_target DEPENDS "${PROJECT_BINARY_DIR}/ntdll.a")
-	add_library(ntdll STATIC IMPORTED GLOBAL)
-	add_dependencies(ntdll ntdll_target)
-	set_target_properties(ntdll PROPERTIES IMPORTED_LOCATION "${PROJECT_BINARY_DIR}/ntdll.a")
-endif()
-
 target_link_libraries(platform_Windows
 	lg_common
 	capture
 
 	userenv
-	ntdll
 	wtsapi32
 	psapi
 	shlwapi