-Werror,-Wunused-result

...caused by typo in previous 58bfd8f982950566018f77ce8895963d914058f8 "Fix
backward vs. forward slashes on Windows"

Change-Id: Ibd1967688c6ab4c962818595d435c7f821ad3d64
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160820
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>
(cherry picked from commit b7f9c56ff1007d33de1a0e1b757c9bb1d93e87e4)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160808
diff --git a/desktop/source/app/updater.cxx b/desktop/source/app/updater.cxx
index 8796583..925b6b7 100644
--- a/desktop/source/app/updater.cxx
+++ b/desktop/source/app/updater.cxx
@@ -91,7 +91,7 @@ OUString normalizePath(const OUString& rPath)
    aPath = aPath.replace('\\', '/');
#endif

    aPath.replaceAll("//", "/");
    aPath = aPath.replaceAll("//", "/");

    // remove final /
    if (aPath.endsWith("/"))