Fix FX_BOOL type mismatches.

core/src/fxcodec/codec/fx_codec_jpeg.cpp

Index: core/src/fxcodec/codec/fx_codec_jpeg.cpp
diff --git a/core/src/fxcodec/codec/fx_codec_jpeg.cpp b/core/src/fxcodec/codec/fx_codec_jpeg.cpp
index b7d9fbe5121c38127a08541e2f0409342245a49d..6839d3150937aecba72ec72de8310cde5b18a4ed 100644
--- a/core/src/fxcodec/codec/fx_codec_jpeg.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpeg.cpp
@@ -641,14 +641,14 @@ int CCodec_JpegModule::ReadHeader(void* pContext, int* width, int* height, int*
     *nComps = p->m_Info.num_components;
     return 0;
 }
-FX_BOOL CCodec_JpegModule::StartScanline(void* pContext, int down_scale)
+int CCodec_JpegModule::StartScanline(void* pContext, int down_scale)
 {
     if (m_pExtProvider) {
         return m_pExtProvider->StartScanline(pContext, down_scale);
     }
     FXJPEG_Context* p = (FXJPEG_Context*)pContext;
     if (setjmp(p->m_JumpMark) == -1) {
-        return FALSE;
+        return 0;
     }
     p->m_Info.scale_denom = down_scale;
     return jpeg_start_decompress(&p->m_Info);