[devel] Added new private header files to libpng_sources in CMakeLists.txt
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b47545..e223aca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,7 +101,10 @@
 set(libpng_sources
   png.h
   pngconf.h
- pngpriv.h
+  pngpriv.h
+  pngdebug.h
+  pnginfo.h
+  pngstruct.h
   png.c
   pngerror.c
   pngget.c