shared: Remove circular dependency between image-policy.h and dissect-image.h

ImagePolicy can just be a forward declaration in dissect-image.h.

src/core/dbus-execute.c

@@ -22,6 +22,7 @@
 #include "fileio.h"
 #include "hexdecoct.h"
 #include "hostname-util.h"
+#include "image-policy.h"
 #include "ioprio-util.h"
 #include "iovec-util.h"
 #include "journal-file.h"

src/core/exec-credential.c

@@ -11,6 +11,7 @@
 #include "io-util.h"
 #include "iovec-util.h"
 #include "label-util.h"
+#include "log.h"
 #include "mkdir-label.h"
 #include "mount-util.h"
 #include "mountpoint-util.h"

src/core/exec-invoke.c

@@ -38,6 +38,7 @@
 #include "fd-util.h"
 #include "hexdecoct.h"
 #include "hostname-setup.h"
+#include "image-policy.h"
 #include "io-util.h"
 #include "ioprio-util.h"
 #include "iovec-util.h"

src/core/namespace.c

@@ -22,6 +22,7 @@
 #include "label-util.h"
 #include "list.h"
 #include "lock-util.h"
+#include "log.h"
 #include "loop-util.h"
 #include "loopback-setup.h"
 #include "missing_syscall.h"