Swiss Standard German: replace 'ß' in German translation with 'ss'

In this branch, for iOS only.

Change-Id: I2af12394648ddad352f24c71581be0f9bf5e3d70

unotools/source/i18n/resmgr.cxx

@@ -200,7 +200,15 @@ namespace Translate
 
         //otherwise translate it
         const std::string ret = boost::locale::pgettext(sContext.getStr(), pId, loc);
-        return ExpandVariables(createFromUtf8(ret.data(), ret.size()));
+        OUString result(ExpandVariables(createFromUtf8(ret.data(), ret.size())));
+
+#ifdef IOS
+        // If it is de-CH, change sharp s to double s.
+        if (std::use_facet<boost::locale::info>(loc).country() == "CH" &&
+            std::use_facet<boost::locale::info>(loc).language() == "de")
+            result = result.replaceAll(OUString::fromUtf8("\xC3\x9F"), "ss");
+#endif
+        return result;
     }
 
     static ResHookProc pImplResHookProc = nullptr;