added make install

Makefile

@@ -11,3 +11,6 @@ ubus-api-validator: ${OBJS}
 
 clean:
 	rm -f ubus-api-validator *.o
+install:
+	cp ubus-api-validator /usr/local/bin
+

main.c

@@ -135,6 +135,7 @@ int main(int argc, char *argv[]) {
       return EXIT_FAILURE;
     }
   } else if (global_args.path == NULL && global_args.dir_path == NULL) {
+    printf("trying default file... \n");
     validate_path("./ubus.json");
   }