Add break where one was missing

Signed-off-by: Steven Dake <sdake@redhat.com>
Reviewed-by: Angus Salkeld <asalked@redhat.com>

exec/coroparse.c

@@ -405,6 +405,8 @@ static int main_config_parser_cb(const char *path,
 				icmap_set_uint32(path, i);
 				add_as_string = 0;
 			}
+			break;
+
 		case MAIN_CP_CB_DATA_STATE_INTERFACE:
 			if (strcmp(path, "totem.interface.ringnumber") == 0) {
 				data->ringnumber = atoi(value);