* crt/crt0_c.c (main): Use __UNUSED_PARAM instead of
	__attribute__ ((__unused__))
	* crt/crt0_w.c (wmain): Likewise.
	* crt/crtexe.c (__mingw_invalidParameterHandler): Likewise.
	* crt/dllentry.c (DllEntryPoint): Likewise.
	* crt/dllmain.c (DllMain): Likewise.
	* misc/alarm.c (alarm): Likewise.


git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@2897 4407c894-4637-0410-b4f5-ada5f102cad1