File bsc1154002-prevent-unnecessary-perror.patch of Package zziplib.13903

Index: zziplib-0.13.69/bins/unzip-mem.c
===================================================================
--- zziplib-0.13.69.orig/bins/unzip-mem.c
+++ zziplib-0.13.69/bins/unzip-mem.c
@@ -93,7 +93,7 @@ static void zzip_mem_entry_make(ZZIP_MEM
 {
     FILE* file = fopen (entry->zz_name, "wb");
     if (file) { zzip_mem_entry_pipe (disk, entry, file); fclose (file); }
-    perror (entry->zz_name);
+    else perror (entry->zz_name);
     if (status < EXIT_WARNINGS) status = EXIT_WARNINGS;
 }