Remove extra semicolons, convert #define x() {...} to do {...} while (0) style (#444)

* Remove extra semicolons, convert #define x() {...} to do {...} while (0) style

* Fix missing brace in INIT-specific definition of init_kbd_startup

src/ldeboot.c

@@ -174,7 +174,7 @@ int main(int argc, char *argv[])
   } else {
     perror("lde: This Display Model does not supported\n");
     exit(-1);
-  }; /* endif( my_screen... */
+  } /* endif( my_screen... */
 
   close(FrameBufferFd);