1GCC complains
2
3diff -ur src/zgv_io.c src/zgv_io.c
4--- src/zgv_io.c 2005-01-20 15:07:46.000000000 -0800
5+++ src/zgv_io.c 2016-06-29 10:19:40.169897611 -0700
6@@ -645,7 +645,7 @@
7 case SDLK_INSERT: return(RK_INSERT);
8 case SDLK_DELETE: return(RK_DELETE);
9 case SDLK_RETURN: return(RK_ENTER);
10- default:
11+ default: ;
12 /* stop complaints */
13 }
14