netapi32: Add stub implementation for NetUseDel.

dlls/netapi32/access.c

@@ -908,3 +908,9 @@ NET_API_STATUS WINAPI NetUseAdd(LMSTR servername, DWORD level, LPBYTE bufptr, LP
     FIXME("%s %d %p %p stub\n", debugstr_w(servername), level, bufptr, parm_err);
     return NERR_Success;
 }
+
+NET_API_STATUS WINAPI NetUseDel(LMSTR servername, LMSTR usename, DWORD forcecond)
+{
+    FIXME("%s %s %d stub\n", debugstr_w(servername), debugstr_w(usename), forcecond);
+    return NERR_Success;
+}

dlls/netapi32/netapi32.spec

@@ -198,7 +198,7 @@
 @ stub NetShareSetInfo
 @ stdcall NetStatisticsGet(wstr wstr long long ptr)
 @ stdcall NetUseAdd(wstr long ptr ptr)
-@ stub NetUseDel
+@ stdcall NetUseDel(wstr wstr long)
 @ stdcall NetUseEnum(wstr long ptr long ptr ptr ptr)
 @ stub NetUseGetInfo
 @ stdcall NetUserAdd(wstr long ptr ptr)