[5/9] vnc: add missing static

diff --git a/console.h b/console.h
index 6099d8d..5ad3615 100644
--- a/console.h
+++ b/console.h
@@ -377,10 +377,8 @@  void cocoa_display_init(DisplayState *ds, int full_screen);
 
 /* vnc.c */
 void vnc_display_init(DisplayState *ds);
-void vnc_display_close(DisplayState *ds);
 void vnc_display_open(DisplayState *ds, const char *display, Error **errp);
 void vnc_display_add_client(DisplayState *ds, int csock, int skipauth);
-int vnc_display_disable_login(DisplayState *ds);
 char *vnc_display_local_addr(DisplayState *ds);
 #ifdef CONFIG_VNC
 int vnc_display_password(DisplayState *ds, const char *password);
diff --git a/ui/vnc-jobs.c b/ui/vnc-jobs.c
index 3c592b3..dfe482d 100644
--- a/ui/vnc-jobs.c
+++ b/ui/vnc-jobs.c
@@ -320,6 +320,11 @@  static void *vnc_worker_thread(void *arg)
     return NULL;
 }
 
+static bool vnc_worker_thread_running(void)
+{
+    return queue; /* Check global queue */
+}
+
 void vnc_start_worker_thread(void)
 {
     VncJobQueue *q;
@@ -332,11 +337,6 @@  void vnc_start_worker_thread(void)
     queue = q; /* Set global queue */
 }
 
-bool vnc_worker_thread_running(void)
-{
-    return queue; /* Check global queue */
-}
-
 void vnc_stop_worker_thread(void)
 {
     if (!vnc_worker_thread_running())
diff --git a/ui/vnc-jobs.h b/ui/vnc-jobs.h
index 86e6d88..31da103 100644
--- a/ui/vnc-jobs.h
+++ b/ui/vnc-jobs.h
@@ -40,7 +40,6 @@  void vnc_jobs_join(VncState *vs);
 
 void vnc_jobs_consume_buffer(VncState *vs);
 void vnc_start_worker_thread(void);
-bool vnc_worker_thread_running(void);
 void vnc_stop_worker_thread(void);
 
 /* Locks */
diff --git a/ui/vnc.c b/ui/vnc.c
index d0ffcc5..d95e6ef 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -479,12 +479,12 @@  void buffer_reserve(Buffer *buffer, size_t len)
     }
 }
 
-int buffer_empty(Buffer *buffer)
+static int buffer_empty(Buffer *buffer)
 {
     return buffer->offset == 0;
 }
 
-uint8_t *buffer_end(Buffer *buffer)
+static uint8_t *buffer_end(Buffer *buffer)
 {
     return buffer->buffer + buffer->offset;
 }
@@ -1376,17 +1376,17 @@  void vnc_flush(VncState *vs)
     vnc_unlock_output(vs);
 }
 
-uint8_t read_u8(uint8_t *data, size_t offset)
+static uint8_t read_u8(uint8_t *data, size_t offset)
 {
     return data[offset];
 }
 
-uint16_t read_u16(uint8_t *data, size_t offset)
+static uint16_t read_u16(uint8_t *data, size_t offset)
 {
     return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF);
 }
 
-int32_t read_s32(uint8_t *data, size_t offset)
+static int32_t read_s32(uint8_t *data, size_t offset)
 {
     return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) |
                      (data[offset + 2] << 8) | data[offset + 3]);
@@ -2763,7 +2763,7 @@  void vnc_display_init(DisplayState *ds)
 }
 
 
-void vnc_display_close(DisplayState *ds)
+static void vnc_display_close(DisplayState *ds)
 {
     VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display;
 
@@ -2785,7 +2785,7 @@  void vnc_display_close(DisplayState *ds)
 #endif
 }
 
-int vnc_display_disable_login(DisplayState *ds)
+static int vnc_display_disable_login(DisplayState *ds)
 {
     VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display;
 
diff --git a/ui/vnc.h b/ui/vnc.h
index 068c2fc..c89f693 100644
--- a/ui/vnc.h
+++ b/ui/vnc.h
@@ -493,9 +493,6 @@  void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting);
 
 
 /* Buffer I/O functions */
-uint8_t read_u8(uint8_t *data, size_t offset);
-uint16_t read_u16(uint8_t *data, size_t offset);
-int32_t read_s32(uint8_t *data, size_t offset);
 uint32_t read_u32(uint8_t *data, size_t offset);
 
 /* Protocol stage functions */
@@ -507,8 +504,6 @@  void start_auth_vnc(VncState *vs);
 
 /* Buffer management */
 void buffer_reserve(Buffer *buffer, size_t len);
-int buffer_empty(Buffer *buffer);
-uint8_t *buffer_end(Buffer *buffer);
 void buffer_reset(Buffer *buffer);
 void buffer_free(Buffer *buffer);
 void buffer_append(Buffer *buffer, const void *data, size_t len);