dwarf2/read.h includes cooked-index.h, but it doesn't need to. This
patch removes the inclusion from this header, and adds one to
index-write.c to make up for the absence.
#include "gdbsupport/scoped_fd.h"
#include "complaints.h"
#include "dwarf2/index-common.h"
+#include "dwarf2/cooked-index.h"
#include "dwarf2.h"
#include "dwarf2/read.h"
#include "dwarf2/dwz.h"
#include <queue>
#include <unordered_map>
#include "dwarf2/comp-unit-head.h"
-#include "dwarf2/cooked-index.h"
#include "dwarf2/file-and-dir.h"
#include "dwarf2/index-cache.h"
#include "dwarf2/mapped-index.h"