gdi.exe16: Remove an unused return variable (coccinelle).

dlls/gdi.exe16/printdrv.c

@@ -518,9 +518,8 @@ INT16 WINAPI EndSpoolPage16(HPJOB16 hJob)
  */
 DWORD WINAPI GetSpoolJob16(int nOption, LONG param)
 {
-    DWORD retval = 0;
     TRACE("In GetSpoolJob param 0x%x noption %d\n",param, nOption);
-    return retval;
+    return 0;
 }