Merge pull request #992 from kano4/unused

Remove unused return value in mruby.c

tools/mruby/mruby.c

@@ -125,7 +125,6 @@ append_cmdline:
         exit(0);
       }
       else return -3;
-      return 0;
     default:
       return -4;
     }
@@ -213,17 +212,14 @@ showcallinfo(mrb_state *mrb)
       const char *cn = mrb_class_name(mrb, ci->proc->target_class);
 
       if (cn) {
-	printf("\t[%d] %s:%d:in %s%s%s\n",
-	       i, filename, line, cn, sep, method);
+        printf("\t[%d] %s:%d:in %s%s%s\n", i, filename, line, cn, sep, method);
       }
       else {
-	printf("\t[%d] %s:%d:in %s\n",
-	       i, filename, line, method);
+        printf("\t[%d] %s:%d:in %s\n", i, filename, line, method);
       }
     }
     else {
-      printf("\t[%d] %s:%d\n",
-	     i, filename, line);
+      printf("\t[%d] %s:%d\n", i, filename, line);
     }
   }
 }