Fix fpicker windows build

fpicker/source/win32/filepicker/FileOpenDlg.cxx

@@ -243,7 +243,7 @@ rtl::OUString SAL_CALL CFileOpenDialog::getFullFileName() const
 
 rtl::OUString SAL_CALL CFileOpenDialog::getFileName() const
 {
-    return rtl::OUString(m_fileTitleBuffer);
+    return rtl::OUString(m_fileTitleBuffer.getStr());
 }
 
 //------------------------------------------------------------------------
@@ -374,7 +374,7 @@ rtl::OUString SAL_CALL CFileOpenDialog::getCurrentFilePath() const
     if (nLen > 0)
     {
         m_helperBuffer.setLength((nLen * sizeof(sal_Unicode)) - 1);
-        return rtl::OUString(m_helperBuffer);
+        return rtl::OUString(m_helperBuffer.getStr());
     }
     return rtl::OUString();
 }
@@ -396,7 +396,7 @@ rtl::OUString SAL_CALL CFileOpenDialog::getCurrentFolderPath() const
     if (nLen > 0)
     {
         m_helperBuffer.setLength((nLen * sizeof(sal_Unicode)) - 1);
-        return rtl::OUString(m_helperBuffer);
+        return rtl::OUString(m_helperBuffer.getStr());
     }
     return rtl::OUString();
 }
@@ -418,7 +418,7 @@ rtl::OUString SAL_CALL CFileOpenDialog::getCurrentFileName() const
     if (nLen > 0)
     {
         m_helperBuffer.setLength((nLen * sizeof(sal_Unicode)) - 1);
-        return rtl::OUString(m_helperBuffer);
+        return rtl::OUString(m_helperBuffer.getStr());
     }
     return rtl::OUString();
 }

fpicker/source/win32/filepicker/filepickerstate.cxx

@@ -213,7 +213,7 @@ OUString MatchFixBrokenPath(const OUString& path)
     if (path[1] == ':' && path[2] == '.' && path[3] == '\\')
     {
         // skip the '.'
-        return OUString(path, 2) + path.copy(3, path.getLength() - 3);
+        return OUString(path.getStr(), 2) + path.copy(3, path.getLength() - 3);
     }
     return path;
 }