sysv-generator: free LookupPaths also on error

Followup for 7a03974a6f.

src/sysv-generator/sysv-generator.c

@@ -921,7 +921,7 @@ finish:
 
 int main(int argc, char *argv[]) {
         int r, q;
-        LookupPaths lp;
+        _cleanup_lookup_paths_free_ LookupPaths lp = {};
         Hashmap *all_services;
         SysvStub *service;
         Iterator j;
@@ -980,7 +980,5 @@ int main(int argc, char *argv[]) {
                         continue;
         }
 
-        lookup_paths_free(&lp);
-
         return EXIT_SUCCESS;
 }