fix visual studio build

proj/vs2017/Common/Common.vcxproj

@@ -393,6 +393,7 @@
     <ClCompile Include="..\..\..\src\fileio\xml-parser\tinyxmlerror.cpp" />
     <ClCompile Include="..\..\..\src\fileio\xml-parser\tinyxmlparser.cpp" />
     <ClCompile Include="..\..\..\src\gfx\gfxsheets.cpp" />
+    <ClCompile Include="..\..\..\src\gfx\graphics.cpp" />
     <ClCompile Include="..\..\..\src\gfx\render_image.cpp" />
     <ClCompile Include="..\..\..\src\gfx\render_shapes.cpp" />
     <ClCompile Include="..\..\..\src\gfx\render_text.cpp" />
@@ -449,6 +450,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\src\dialogxml\dialogs\btnpanel.hpp" />
+    <ClInclude Include="..\..\..\src\gfx\graphics.hpp" />
     <ClInclude Include="..\..\..\src\scenario\town_import.tpp" />
     <ClInclude Include="..\..\..\src\alchemy.hpp" />
     <ClInclude Include="..\..\..\src\damage.hpp" />

proj/vs2017/Common/Common.vcxproj.filters

@@ -829,6 +829,9 @@
     <ClCompile Include="..\..\..\src\dialogxml\dialogs\btnpanel.cpp">
       <Filter>DialogXML\Dialogs</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\gfx\graphics.cpp">
+      <Filter>Gfx</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\src\scenario\town_import.tpp">
@@ -1087,5 +1090,8 @@
     <ClInclude Include="..\..\..\src\dialogxml\dialogs\btnpanel.hpp">
       <Filter>DialogXML\Dialogs</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\gfx\graphics.hpp">
+      <Filter>Gfx</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

src/game/boe.dlgutil.cpp

@@ -69,7 +69,7 @@ extern std::map<eSkill,short> skill_max;
 extern void give_help_and_record(short help1, short help2, bool help_forced = false);
 extern void post_load();
 extern void start_new_game(bool force = false);
-extern void do_load();
+extern bool do_load();
 
 short sign_mode,person_graphic,store_person_graphic,store_sign_mode;
 long num_talk_entries;