QbsProjectManager: Fix build

BuildStepList: :allOfType() was newly used in 4.10 and removed in 4.11.
Change-Id: I3129f4a8aa411547e018c88eec02df58f56285f9
Reviewed-by: hjk <hjk@qt.io>

1 files changed, 6 insertions, 4 deletions

diff --git a/src/plugins/qbsprojectmanager/qbsproject.cpp b/src/plugins/qbsprojectmanager/qbsproject.cpp
index 3ee40859a3..0b426bbca4 100644
--- a/src/plugins/qbsprojectmanager/qbsproject.cpp
+++ b/src/plugins/qbsprojectmanager/qbsproject.cpp
@@ -468,10 +468,12 @@ FilePath QbsProject::installRoot()
         return FilePath();
     const auto dc = activeTarget()->activeDeployConfiguration();
     if (dc) {
-        const QList<QbsInstallStep *> qbsInstallSteps = dc->stepList()->allOfType<QbsInstallStep>();
-        for (QbsInstallStep * const step : qbsInstallSteps) {
-            if (step->enabled())
-                return FilePath::fromString(step->installRoot());
+        const QList<BuildStep *> steps = dc->stepList()->steps();
+        for (const BuildStep * const step : steps) {
+            if (!step->enabled())
+                continue;
+            if (const auto qbsInstallStep = qobject_cast<const QbsInstallStep *>(step))
+                return FilePath::fromString(qbsInstallStep->installRoot());
         }
     }
     const auto * const bc