Fix some FX_BOOL / int noise in core/fx*

core/fxge/ge/cfx_renderdevice.cpp

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fxge/cfx_renderdevice.h"
 
 #include "core/fxcrt/fx_safe_types.h"
 #include "core/fxge/cfx_facecache.h"
@@ skipping 514 matching lines @@
       }
       if (FillRectWithBlend(&rect_i, fill_color, blend_type))
         return TRUE;
     }
   }
   if ((fill_mode & 3) && stroke_alpha == 0 && !(fill_mode & FX_FILL_STROKE) &&
       !(fill_mode & FX_FILL_TEXT_MODE)) {
     CFX_PathData newPath;
     FX_BOOL bThin = FALSE;
     if (pPathData->GetZeroAreaPath(newPath, (CFX_Matrix*)pObject2Device, bThin,
-                                   m_pDeviceDriver->GetDriverType())) {
+                                   !!m_pDeviceDriver->GetDriverType())) {
       CFX_GraphStateData graphState;
       graphState.m_LineWidth = 0.0f;
       uint32_t strokecolor = fill_color;
       if (bThin)
         strokecolor = (((fill_alpha >> 2) << 24) | (strokecolor & 0x00ffffff));
       CFX_Matrix* pMatrix = nullptr;
       if (pObject2Device && !pObject2Device->IsIdentity())
         pMatrix = (CFX_Matrix*)pObject2Device;
       int smooth_path = FX_ZEROAREA_FILL;
       if (fill_mode & FXFILL_NOPATHSMOOTH)
@@ skipping 523 matching lines @@
                              fill_color, stroke_color, fill_mode,
                              FXDIB_BLEND_NORMAL)) {
         return FALSE;
       }
     }
     if (pClippingPath)
       pClippingPath->Append(&TransformedPath, pUser2Device);
   }
   return TRUE;
 }