[libpng17] Added missing dependency on pnglibconf.h in scripts/makefile.linux
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index 79d7106..5d93701 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -236,4 +236,4 @@
pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngtest.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h pnglibconf.h