[devel] Removed "-DPNG_CONFIGURE_LIBPNG" from the makefiles and projects.

and added "#define PNG_NO_PEDANTIC_WARNINGS" in the libpng source files.
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index 83e34b8..4db3134 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -11,7 +11,7 @@
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.4.0beta107
+SHLIB_MINOR=	1.4.0rc02
 
 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \