Build code with -Wconversion.

--HG--
extra : convert_revision : ac2ea951cae1e739335e428e0fc4d0f90045b77d

bin/xbps-repo/index.c

@@ -128,7 +128,7 @@ repoidx_addpkg(const char *file, const char *filename, const char *pkgdir)
 			continue;
 		}
 
-		propslen = archive_entry_size(entry);
+		propslen = (size_t)archive_entry_size(entry);
 		props = malloc(propslen);
 		if (props == NULL) {
 			rv = errno;