remove glib dependency by provide compatible replacements

qemu/util/oslib-posix.c

@@ -51,8 +51,6 @@ extern int daemon(int, int);
 #include <termios.h>
 #include <unistd.h>
 
-#include <glib/gprintf.h>
-
 #include "config-host.h"
 #include "sysemu/sysemu.h"
 #include <sys/mman.h>
@@ -183,13 +181,6 @@ int qemu_pipe(int pipefd[2])
     return ret;
 }
 
-char *
-qemu_get_local_state_pathname(const char *relative_pathname)
-{
-    return g_strdup_printf("%s/%s", CONFIG_QEMU_LOCALSTATEDIR,
-                           relative_pathname);
-}
-
 void qemu_set_tty_echo(int fd, bool echo)
 {
     struct termios tty;