Remove zero.c as it's not needed with Rust 0.8. Fixes #1.

Author: doublec

Makefile

@@ -3,8 +3,8 @@ all: test
 mylib.o: mylib.rs
 	rustc -c mylib.rs
 
-test: test.c zero.c mylib.o
-	gcc -o test test.c zero.c mylib.o
+test: test.c mylib.o
+	gcc -o test test.c mylib.o
 
 clean:
 	rm *.o