* fhandler.cc (off_current): Define local in fhandler_base::raw_write.

Drop erroneous NO_COPY, add _RDATA to make R/O.
	(off_append): Ditto.
	* globals.cc (_RDATA): Move definition from here...
	* winsup.h: ...to here.

winsup/cygwin/globals.cc

@@ -70,9 +70,6 @@ bool NO_COPY _cygwin_testing;
 
 char NO_COPY almost_null[1];
 
-/* Define globally used, but readonly variables using the _RDATA attribute. */
-#define _RDATA __attribute__ ((section(".rdata")))
-
 /* Heavily-used const UNICODE_STRINGs are defined here once.  The idea is a
    speed improvement by not having to initialize a UNICODE_STRING every time
    we make a string comparison.  The strings are not defined as const,
@@ -123,8 +120,6 @@ cygwin_props_t _RDATA cygwin_props =
   0
 };
 
-#undef _RDATA
-
 extern "C"
 {
   /* This is an exported copy of environ which can be used by DLLs