fixing a couple of compilation errors when configured with --with-minimum
* doc/examples/io2.c doc/examples/parse4.c: fixing a couple of
compilation errors when configured with --with-minimum
Daniel
minor warning cleanup (no change to logic) fixed return value for internal
* xmlschemas.c, xmlwriter.c, doc/examples/parse4.c,
doc/examples/io2.c: minor warning cleanup (no change to logic)
* xinclude: fixed return value for internal function
xmlXIncludeLoadFallback (now always 0 or -1)