logs-show: add missing newline in warning message

Fixes #19065.

src/resolve/meson.build

@@ -210,9 +210,13 @@ tests += [
           libgpg_error,
           libm]],
 
-        [['src/resolve/test-dnssec-complex.c',
+        [['src/resolve/test-dnssec-complex.c'],
-          'src/resolve/dns-type.c'],
+         [libsystemd_resolve_core,
-         [], [], resolve_includes, '', 'manual'],
+          libshared],
+         [libgcrypt,
+          libgpg_error,
+          libm],
+         [], '', 'manual'],
 ]
 
 fuzzers += [

src/shared/logs-show.c

@@ -1396,7 +1396,7 @@ int show_journal(
                         bool noaccess = journal_access_blocked(j);
 
                         if (line == 0 && noaccess)
-                                fprintf(f, "Warning: some journal files were not opened due to insufficient permissions.");
+                                fprintf(f, "Warning: some journal files were not opened due to insufficient permissions.\n");
                         else if (!noaccess)
                                 fprintf(f, "Notice: journal has been rotated since unit was started, output may be incomplete.\n");
                         else