configure: fix error message when calling config.status

Calling configure in a shadow build directory led to error messages
when trying to delete the content of $$QT_BUILD_TREE/mkspecs.

Task-number: QTBUG-12764
Reviewed-by: ossi

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 74f5505..25f1ef5 100755
--- a/configure
+++ b/configure
@@ -2407,7 +2407,7 @@ if [ "$OPT_SHADOW" = "yes" ]; then
 
     # symlink the mkspecs directory
     mkdir -p "$outpath/mkspecs"
-    rm -f "$outpath"/mkspecs/*
+    rm -rf "$outpath"/mkspecs/*
     ln -s "$relpath"/mkspecs/* "$outpath/mkspecs"
     rm -f "$outpath/mkspecs/default"