a couple of warnings

src/dungeon.c

@@ -92,7 +92,7 @@ dumpit(void)
                 DD.flags.rogue_like ? " rogue_like" : "",
                 DD.flags.maze_like ? " maze_like" : "",
                 DD.flags.hellish ? " hellish" : "");
-        getchar();
+        (void) getchar();
     }
     fprintf(stderr, "\nSpecial levels:\n");
     for (x = g.sp_levchn; x; x = x->next) {
@@ -103,7 +103,7 @@ dumpit(void)
                 x->flags.maze_like ? " maze_like" : "",
                 x->flags.hellish ? " hellish" : "",
                 x->flags.town ? " town" : "");
-        getchar();
+        (void) getchar();
     }
     fprintf(stderr, "\nBranches:\n");
     for (br = g.branches; br; br = br->next) {
@@ -120,9 +120,9 @@ dumpit(void)
                 br->end1.dnum, br->end1.dlevel, br->end2.dnum,
                 br->end2.dlevel, br->end1_up ? "end1 up" : "end1 down");
     }
-    getchar();
+    (void) getchar();
     fprintf(stderr, "\nDone\n");
-    getchar();
+    (void) getchar();
 }
 #endif
 

util/dlb_main.c

@@ -154,6 +154,8 @@ eos(char *s)
 #define UNUSED_if_no_DLB UNUSED
 #endif
 
+DISABLE_WARNING_UNREACHABLE_CODE
+
 int
 main(int argc UNUSED_if_no_DLB, char **argv UNUSED_if_no_DLB)
 {
@@ -482,6 +484,8 @@ main(int argc UNUSED_if_no_DLB, char **argv UNUSED_if_no_DLB)
     return 0;
 }
 
+RESTORE_WARNING_UNREACHABLE_CODE
+
 #ifdef DLB
 #ifdef DLBLIB