Commit87469c4

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lets zerofill files by hand on windows in fio_send_file_write

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Original file line number	Diff line number	Diff line change
`@@ -2717,11 +2717,21 @@ fio_send_file_write(FILE* out, send_file_state* st, char *buf, size_t len)`
`2717`	`2717`	`if (len==0)`
`2718`	`2718`	`return true;`
`2719`	`2719`
	`2720`	`+#ifndefWIN32`
`2720`	`2721`	`if (st->read_size>st->write_size&&`
`2721`	`2722`	`fseeko(out,st->read_size,SEEK_SET)!=0)`
`2722`	`2723`	`{`
`2723`	`2724`	`return false;`
`2724`	`2725`	`}`
	`2726`	`+#else`
	`2727`	`+while (st->read_size>st->write_size)`
	`2728`	`+{`
	`2729`	`+size_twr=st->read_size-st->write_size;`
	`2730`	`+wr=Min(wr,sizeof(zerobuf));`
	`2731`	`+fwrite(zerobuf,1,wr,out);`
	`2732`	`+st->write_size+=wr;`
	`2733`	`+}`
	`2734`	`+#endif`
`2725`	`2735`
`2726`	`2736`	`if (fwrite(buf,1,len,out)!=len)`
`2727`	`2737`	`{`

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