Fix pdfium building issue on VS2010

BUG=pdfium_23
R=palmer@chromium.org

Review URL: https://codereview.chromium.org/399233002
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1gload.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1gload.c
index d06e161..1f00673 100644
--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1gload.c
+++ b/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1gload.c
@@ -281,9 +281,7 @@
     const T1_Decoder_Funcs  decoder_funcs = psaux->t1_decoder_funcs;
 
     FT_Matrix               font_matrix;
-    FT_Vector               font_offset;
-    font_offset.x           = 0;
-    font_offset.y           = 0;
+    FT_Vector               font_offset = {0, 0};
     FT_Data                 glyph_data;
     FT_Bool                 must_finish_decoder = FALSE;
 #ifdef FT_CONFIG_OPTION_INCREMENTAL