gnu_linux.c: run_mmc_cmd_linux: be sure to set return return code.

testiso9660.c: broke things working when on hacking on Solaris

lib/driver/gnu_linux.c

@@ -1262,6 +1262,8 @@ run_mmc_cmd_linux( void *p_user_data,
     }
     return DRIVER_OP_ERROR;
   }
+  /*Not sure if this the best thing, but we'll use anyway. */
+  return DRIVER_OP_SUCCESS;
 }
 
 /*!

test/testiso9660.c

@@ -289,8 +289,7 @@ main (int argc, const char *argv[])
 	printf("same as that set with iso9660_set_ltime().\n");
 	return 47;
       }
-    }
+
-    {
       p_tm = gmtime(&now);
       iso9660_set_ltime(p_tm, &ltime);
       iso9660_get_ltime(&ltime, &tm);