utils: move remove_trailing_slashes to utils

src/lxc/lxccontainer.c

@@ -69,13 +69,6 @@ static bool file_exists(char *f)
 	return stat(f, &statbuf) == 0;
 }
 
-static void remove_trailing_slashes(char *p)
-{
-	int l = strlen(p);
-	while (--l >= 0 && (p[l] == '/' || p[l] == '\n'))
-		p[l] = '\0';
-}
-
 /*
  * A few functions to help detect when a container creation failed.
  * If a container creation was killed partway through, then trying

src/lxc/utils.c

@@ -211,6 +211,13 @@ extern int mkdir_p(const char *dir, mode_t mode)
 	return 0;
 }
 
+extern void remove_trailing_slashes(char *p)
+{
+	int l = strlen(p);
+	while (--l >= 0 && (p[l] == '/' || p[l] == '\n'))
+		p[l] = '\0';
+}
+
 static char *copy_global_config_value(char *p)
 {
 	int len = strlen(p);

src/lxc/utils.h

@@ -37,6 +37,7 @@ extern int lxc_rmdir_onedev(char *path);
 extern int lxc_setup_fs(void);
 extern int get_u16(unsigned short *val, const char *arg, int base);
 extern int mkdir_p(const char *dir, mode_t mode);
+extern void remove_trailing_slashes(char *p);
 extern const char *get_rundir(void);
 
 /*