[libpng16] Added pngconfig.h file. This indirect reference to config.h avoids
problems with build scripts that search for config.h and find an
inappropriate one in the standard paths.
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index 3bfd3f8..ac30ab8 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -21,7 +21,7 @@
SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c
-INCS= png.h pngconf.h pnglibconf.h
+INCS= png.h pngconf.h pnglibconf.h pngconfig.h
MAN= libpng.3 libpngpf.3 png.5
CPPFLAGS+=-I${.CURDIR}