file.c: export sprintmode and move it to a separate file
* printmode.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* defs.h (sprintmode): New prototype.
* file.c (sprintmode): Make global and move to printmode.c.
diff --git a/defs.h b/defs.h
index 708adf6..bcdf625 100644
--- a/defs.h
+++ b/defs.h
@@ -672,6 +672,7 @@
extern void addflags(const struct xlat *, int);
extern int printflags(const struct xlat *, int, const char *);
extern const char *sprintflags(const char *, const struct xlat *, int);
+extern const char *sprintmode(int);
extern void dumpiov_in_msghdr(struct tcb *, long);
extern void dumpiov_in_mmsghdr(struct tcb *, long);
extern void dumpiov(struct tcb *, int, long);