Moved speak_lib.h to espeak-ng directory - the Windows part

src/windows/com/ttsengine.cpp

 #include <sperror.h>
 
 #include <espeak-ng/espeak_ng.h>
-#include <espeak/speak_lib.h>
+#include <espeak-ng/speak_lib.h>
 
 #include <new>
 #include <errno.h>

src/windows/libespeak-ng.vcxproj

   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\include\espeak-ng\espeak_ng.h" />
-    <ClInclude Include="..\include\espeak\speak_lib.h" />
+    <ClInclude Include="..\include\espeak-ng\speak_lib.h" />
     <ClInclude Include="..\libespeak-ng\error.h" />
     <ClInclude Include="..\libespeak-ng\klatt.h" />
     <ClInclude Include="..\libespeak-ng\mbrowrap.h" />
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>

src/windows/libespeak-ng.vcxproj.filters

     <ClInclude Include="..\libespeak-ng\speech.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\include\espeak\speak_lib.h">
+    <ClInclude Include="..\include\espeak-ng\speak_lib.h">
       <Filter>Header Files\api</Filter>
     </ClInclude>
     <ClInclude Include="..\include\espeak-ng\espeak_ng.h">
       <Filter>Source Files</Filter>
     </None>
   </ItemGroup>
-</Project>
+</Project>