Add header files in winphone project file

winphone/SDLPal.vcxproj

@@ -171,11 +171,15 @@
     <ClInclude Include="..\adplug\surroundopl.h" />
     <ClInclude Include="..\ascii.h" />
     <ClInclude Include="..\battle.h" />
+    <ClInclude Include="..\big5font.h" />
+    <ClInclude Include="..\codepage.h" />
     <ClInclude Include="..\common.h" />
     <ClInclude Include="..\ending.h" />
     <ClInclude Include="..\fight.h" />
     <ClInclude Include="..\font.h" />
+    <ClInclude Include="..\fontglyph.h" />
     <ClInclude Include="..\game.h" />
+    <ClInclude Include="..\gbfont.h" />
     <ClInclude Include="..\getopt.h" />
     <ClInclude Include="..\global.h" />
     <ClInclude Include="..\input.h" />

winphone/SDLPal.vcxproj.filters

@@ -101,6 +101,10 @@
     <ClInclude Include="..\adplug\surroundopl.h">
       <Filter>adplug</Filter>
     </ClInclude>
+    <ClInclude Include="..\big5font.h" />
+    <ClInclude Include="..\codepage.h" />
+    <ClInclude Include="..\fontglyph.h" />
+    <ClInclude Include="..\gbfont.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\battle.c" />