Fixup incorrect include guards.

core/src/fxcodec/lbmp/fx_bmp.h

 // Copyright 2014 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
 
+#ifndef CORE_SRC_FXCODEC_LBMP_FX_BMP_H_
+#define CORE_SRC_FXCODEC_LBMP_FX_BMP_H_
+
 #include <setjmp.h>
 
 #include "core/include/fxcrt/fx_basic.h"
 
 #define BMP_SUPPORT_BITFIELD
 #define BMP_WIDTHBYTES(width, bitCount) ((width * bitCount) + 31) / 32 * 4
 #define BMP_PAL_ENCODE(a, r, g, b) \
   (((FX_DWORD)(a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 #define BMP_D_STATUS_HEADER 0x01
 #define BMP_D_STATUS_PAL 0x02
@@ skipping 36 matching lines @@
   FX_WORD biPlanes;
   FX_WORD biBitCount;
   FX_DWORD biCompression;
   FX_DWORD biSizeImage;
   int32_t biXPelsPerMeter;
   int32_t biYPelsPerMeter;
   FX_DWORD biClrUsed;
   FX_DWORD biClrImportant;
 } BmpInfoHeader, *BmpInfoHeaderPtr;
 #pragma pack()
+
 typedef struct tag_bmp_decompress_struct bmp_decompress_struct;
 typedef bmp_decompress_struct* bmp_decompress_struct_p;
 typedef bmp_decompress_struct_p* bmp_decompress_struct_pp;
 struct tag_bmp_decompress_struct {
   jmp_buf jmpbuf;
   FX_CHAR* err_ptr;
   void (*_bmp_error_fn)(bmp_decompress_struct_p gif_ptr,
                         const FX_CHAR* err_msg);
 
   void* context_ptr;
@@ skipping 68 matching lines @@
   FX_DWORD src_row;
   uint8_t src_bpp;
   FX_DWORD src_width;
   FX_BOOL src_free;
   FX_DWORD* pal_ptr;
   FX_WORD pal_num;
 #ifdef BMP_SUPPORT_BITFIELD
   uint8_t bit_type;
 #endif
 };
+
 bmp_compress_struct_p _bmp_create_compress();
 void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr);
 FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr,
                           uint8_t*& dst_buf,
                           FX_DWORD& dst_size);
+
+#endif  // CORE_SRC_FXCODEC_LBMP_FX_BMP_H_