kernelbase: Fix VirtualAlloc2() when called with NULL process handle.

dlls/kernelbase/memory.c

@@ -352,6 +352,7 @@ LPVOID WINAPI DECLSPEC_HOTPATCH VirtualAlloc2( HANDLE process, void *addr, SIZE_
 {
     LPVOID ret = addr;
 
+    if (!process) process = GetCurrentProcess();
     if (!set_ntstatus( NtAllocateVirtualMemoryEx( process, &ret, &size, type, protect, parameters, count )))
         return NULL;
     return ret;

dlls/kernelbase/tests/process.c

@@ -142,10 +142,8 @@ static void test_VirtualAlloc2(void)
 
     size = 0x80000;
     addr = pVirtualAlloc2(NULL, NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE, NULL, 0);
-    todo_wine
     ok(!!addr, "Failed to allocate, error %lu.\n", GetLastError());
     ret = VirtualFree(addr, 0, MEM_RELEASE);
-    todo_wine
     ok(ret, "Unexpected return value %d, error %lu.\n", ret, GetLastError());
 
     /* Placeholder splitting functionality */