use qdoc3 debug version only when it is available

By default there is no debug version built of qdoc3.
In this case we should call the release build.

Reviewed-by: kh

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/doc.pri b/doc/doc.pri
index 46df3cb369..a4c77fe260 100644
--- a/doc/doc.pri
+++ b/doc/doc.pri
@@ -4,7 +4,7 @@
 
 win32 {
     QT_WINCONFIG = release/
-    CONFIG(debug, debug|release) {
+    !CONFIG(release, debug|release) {
         QT_WINCONFIG = debug/
     }
 }