Remove FX_Alloc() null checks now that it can't return NULL.

core/src/fxcodec/codec/fx_codec_fax.cpp

Index: core/src/fxcodec/codec/fx_codec_fax.cpp
diff --git a/core/src/fxcodec/codec/fx_codec_fax.cpp b/core/src/fxcodec/codec/fx_codec_fax.cpp
index 33e89e4f92b52f9ff5219d42f5456b354ac924db..dc2ee2aacd76c5ad356af648b459a764d30f5982 100644
--- a/core/src/fxcodec/codec/fx_codec_fax.cpp
+++ b/core/src/fxcodec/codec/fx_codec_fax.cpp
@@ -622,13 +622,7 @@ FX_BOOL CCodec_FaxDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size, int wid
     m_OutputWidth = m_OrigWidth;
     m_OutputHeight = m_OrigHeight;
     m_pScanlineBuf = FX_Alloc(FX_BYTE, m_Pitch);
-    if (m_pScanlineBuf == NULL) {
-        return FALSE;
-    }
     m_pRefBuf = FX_Alloc(FX_BYTE, m_Pitch);
-    if (m_pRefBuf == NULL) {
-        return FALSE;
-    }
     m_pSrcBuf = src_buf;
     m_SrcSize = src_size;
     m_nComps = 1;
@@ -705,9 +699,6 @@ extern "C" {
             pitch = (width + 7) / 8;
         }
         FX_LPBYTE ref_buf = FX_Alloc(FX_BYTE, pitch);
-        if (ref_buf == NULL) {
-            return;
-        }
         FXSYS_memset8(ref_buf, 0xff, pitch);
         int bitpos = *pbitpos;
         for (int iRow = 0; iRow < height; iRow ++) {
@@ -945,9 +936,6 @@ CCodec_FaxEncoder::CCodec_FaxEncoder(FX_LPCBYTE src_buf, int width, int height,
     m_Rows = height;
     m_Pitch = pitch;
     m_pRefLine = FX_Alloc(FX_BYTE, m_Pitch);
-    if (m_pRefLine == NULL) {
-        return;
-    }
     FXSYS_memset8(m_pRefLine, 0xff, m_Pitch);
     m_pLineBuf = FX_Alloc2D(FX_BYTE, m_Pitch, 8);
     m_DestBuf.EstimateSize(0, 10240);