fix Compilation error in "driver.c", "completion_up.c", "syslog.c" and "dlmodule.c". (RT-Thread#9093)

Author: 1413577909

components/drivers/core/driver.c

@@ -50,4 +50,4 @@ rt_err_t rt_driver_unregister(rt_driver_t drv)
 
     return ret;
 }
-RTM_EXPORT(rt_driver_register);
+RTM_EXPORT(rt_driver_unregister);

components/drivers/ipc/completion_up.c

@@ -147,7 +147,6 @@ rt_err_t rt_completion_wait_flags(struct rt_completion *completion,
 
     return result;
 }
-RTM_EXPORT(rt_completion_wait);
 
 /**
  * @brief   This function indicates a completion has done and wakeup the thread

components/utilities/ulog/syslog/syslog.c

@@ -94,7 +94,7 @@ void vsyslog(int priority, const char *format, va_list args)
         priority |= local_facility;
     }
 
-    ulog_voutput(priority, local_ident, RT_TRUE, format, args);
+    ulog_voutput(priority, local_ident, RT_TRUE, RT_NULL, 0, 0, 0, format, args);
 }
 
 /**

components/utilities/ulog/ulog.h

@@ -92,6 +92,8 @@ void ulog_hexdump(const char *tag, rt_size_t width, const rt_uint8_t *buf, rt_si
 /*
  * Another log output API. This API is more difficult to use than LOG_X API.
  */
+void ulog_voutput(rt_uint32_t level, const char *tag, rt_bool_t newline, const rt_uint8_t *hex_buf,
+     rt_size_t hex_size, rt_size_t hex_width, rt_base_t hex_addr, const char *format, va_list args);
 void ulog_output(rt_uint32_t level, const char *tag, rt_bool_t newline, const char *format, ...);
 void ulog_raw(const char *format, ...);