include: move shell prototypes to shell.h

We have a shell,h, so move shell specific prototypes there.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

common/menutree.c

@@ -16,6 +16,7 @@
 #include <glob.h>
 #include <menu.h>
 #include <fs.h>
+#include <shell.h>
 #include <libfile.h>
 
 #include <linux/stat.h>

common/startup.c

@@ -30,6 +30,7 @@
  * @brief Main entry into the C part of barebox
  */
 #include <common.h>
+#include <shell.h>
 #include <init.h>
 #include <command.h>
 #include <malloc.h>

include/common.h

@@ -102,17 +102,6 @@ extern int (*barebox_main)(void);
 void __noreturn start_barebox(void);
 void shutdown_barebox(void);
 
-int run_shell(void);
-
-#ifdef CONFIG_SHELL_HUSH
-char *shell_expand(char *str);
-#else
-static inline char *shell_expand(char *str)
-{
-	return strdup(str);
-}
-#endif
-
 #define ALIGN_DOWN(x, a)	((x) & ~((typeof(x))(a) - 1))
 
 #define ARRAY_AND_SIZE(x)	(x), ARRAY_SIZE(x)

include/shell.h

@@ -9,4 +9,15 @@
 
 int shell_get_last_return_code(void);
 
+int run_shell(void);
+
+#ifdef CONFIG_SHELL_HUSH
+char *shell_expand(char *str);
+#else
+static inline char *shell_expand(char *str)
+{
+	return strdup(str);
+}
+#endif
+
 #endif /* __SHELL_H__ */