packfile.h: move pack_window and pack_entry from cache.h

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

cache.h

@@ -593,20 +593,6 @@ int df_name_compare(const char *name1, size_t len1, int mode1,
 int name_compare(const char *name1, size_t len1, const char *name2, size_t len2);
 int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2);
 
-struct pack_window {
-	struct pack_window *next;
-	unsigned char *base;
-	off_t offset;
-	size_t len;
-	unsigned int last_used;
-	unsigned int inuse_cnt;
-};
-
-struct pack_entry {
-	off_t offset;
-	struct packed_git *p;
-};
-
 /* Dumb servers support */
 int update_server_info(int);
 

packfile.h

@@ -6,10 +6,22 @@
 
 /* in object-store.h */
 struct packed_git;
-struct pack_entry;
-struct pack_window;
 struct object_info;
 
+struct pack_window {
+	struct pack_window *next;
+	unsigned char *base;
+	off_t offset;
+	size_t len;
+	unsigned int last_used;
+	unsigned int inuse_cnt;
+};
+
+struct pack_entry {
+	off_t offset;
+	struct packed_git *p;
+};
+
 /*
  * Generate the filename to be used for a pack file with checksum "sha1" and
  * extension "ext". The result is written into the strbuf "buf", overwriting

t/helper/test-read-midx.c

@@ -5,6 +5,7 @@
 #include "repository.h"
 #include "object-store.h"
 #include "pack-bitmap.h"
+#include "packfile.h"
 #include "setup.h"
 
 static int read_midx_file(const char *object_dir, int show_objects)