add missing "extern" (fixes FTBFS on gcc-10)

diff --git a/file.c b/file.c
index efd08e5..5f6204d 100644 (file)
--- a/file.c
+++ b/file.c
@@ -52,7 +52,8 @@ find_files(void)
        return true;
 }
 
-FILE *open_score_file(char *mode)
+FILE *
+open_score_file(char *mode)
 {
        return fopen("scores", mode);
 }

diff --git a/sprite.h b/sprite.h
index 0445077..d67b655 100644 (file)
--- a/sprite.h
+++ b/sprite.h
@@ -33,7 +33,7 @@ struct sprite {
 
 #define COLLIDES(sprite) ((sprite)->flags & COLLIDE)
 
-Sprite *free_sprites[N_TYPES];  // lists of free sprites, by type.
+extern Sprite *free_sprites[N_TYPES];  // lists of free sprites, by type.
 
 void do_collision(Sprite *a, Sprite *b);
 void collisions(void);