(minor) can't jump on frame one by holding jump when getting j-upgrade

src/main.c

@@ -36,7 +36,7 @@ int main(void)
     0 //can jump
   };
   //end   upgrades
-	char jump_pressed = 0; //avoid holding jump
+	char jump_pressed = 1; //avoid holding jump
 	char jump_buffer = 0; //jump buffer, last 3 frames
 	unsigned int jump_hold = 0; //number of consecutive frames jump has been held
 	double vspd = 0; //player vertical speed