Polish translation - 2 new lines

Added translations for 2 new lines

Author: Hirotaro

rttr-pl.po

@@ -10,7 +10,7 @@ msgstr ""
 "Project-Id-Version: s25rttr\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2025-02-21 17:19+0100\n"
-"PO-Revision-Date: 2025-02-22 14:54+0100\n"
+"PO-Revision-Date: 2025-02-22 15:17+0100\n"
 "Last-Translator: Łukasz Abramczuk <[email protected]>\n"
 "Language-Team: Polish <[email protected]>\n"
 "Language: pl\n"
@@ -1415,7 +1415,7 @@ msgstr ""
 
 #: libs/s25main/network/GameClient.cpp:1697
 msgid "Error during saving: "
-msgstr ""
+msgstr "Błąd podczas zapisywania: "
 
 #: libs/s25main/network/GameClient.cpp:1542
 #, c-format
@@ -3345,9 +3345,8 @@ msgid "Savegame error: "
 msgstr "Błąd zapisu gry: "
 
 #: libs/s25main/network/GameClient.cpp:1669
-#, fuzzy
 msgid "Saving game..."
-msgstr "Wczytuję grę...\n"
+msgstr "Zapisywanie gry..."
 
 #: libs/s25main/gameData/GoodConsts.cpp:13
 msgid "Saw"