Added CreateIoCompletionPort stub.

relay32/kernel32.spec

diff --git a/relay32/kernel32.spec b/relay32/kernel32.spec
index 7b21fc7..719ac7e 100644
--- a/relay32/kernel32.spec
+++ b/relay32/kernel32.spec
@@ -175,7 +175,7 @@
 159 stdcall CreateFileMappingA(long ptr long long long str) CreateFileMappingA
 160 stdcall CreateFileMappingW(long ptr long long long wstr) CreateFileMappingW
 161 stdcall CreateFileW(wstr long long ptr long long long) CreateFileW
-162 stub CreateIoCompletionPort
+162 stdcall CreateIoCompletionPort(long long long long) CreateIoCompletionPort
 163 stub CreateKernelThread
 164 stdcall CreateMailslotA(ptr long long ptr) CreateMailslotA
 165 stdcall CreateMailslotW(ptr long long ptr) CreateMailslotW

win32/newfns.c

diff --git a/win32/newfns.c b/win32/newfns.c
index 03224b9..fe50432 100644
--- a/win32/newfns.c
+++ b/win32/newfns.c
@@ -349,3 +349,10 @@
     return TRUE;
 }
 
+HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle,
+HANDLE hExistingCompletionPort, DWORD dwCompletionKey,
+DWORD dwNumberOfConcurrentThreads)
+{
+    FIXME(win32, "(%04x, %04x, %08lx, %08lx): stub.\n", hFileHandle, hExistingCompletionPort, dwCompletionKey, dwNumberOfConcurrentThreads);
+    return (HANDLE)NULL;
+}