Merge pull request #8590 from NixOS/fix-qt5-setup-hook

qt54: fix setup-hook.sh, lib/ was not populated in some cases

pkgs/development/libraries/qt-5/5.4/setup-hook.sh

@@ -20,11 +20,13 @@ addQtModule() {
             fi
         fi
 
-        if [[ -n $qtSubmodule ]] && [[ -d "$1/lib" ]]; then
+        if [[ -d "$1/lib" ]]; then
             @lndir@/bin/lndir -silent "$1/lib" "$qtOut/lib"
+            if [[ -n $qtSubmodule ]]; then
                 find "$1/lib" -printf 'lib/%P\n' >> "$qtOut/nix-support/qt-inputs"
             fi
         fi
+    fi
 }
 
 setQMakePath() {