Libs: Fix Qbs build

Amends a621aa1d8b.

Change-Id: If5276e5558bf8139286c2084400eac915253c7f7
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/libs/modelinglib/modelinglib.qbs

@@ -18,11 +18,17 @@ QtcLibrary {
         cpp.defines: base.concat("QT_NO_SVG")
     }
 
+    Group {
+        name: "common"
+        files: [
+            "modelinglibtr.h",
+        ]
+    }
+
     Group {
         name: "Qmt"
         prefix: "./qmt/"
         files: [
-            "modelinglibtr.h",
             "config/configcontroller.cpp",
             "config/configcontroller.h",
             "config/sourcepos.cpp",

src/libs/tracing/tracing.qbs

@@ -35,7 +35,7 @@ Project {
                 "timelinetracefile.cpp", "timelinetracefile.h",
                 "timelinetracemanager.cpp", "timelinetracemanager.h",
                 "timelinezoomcontrol.cpp", "timelinezoomcontrol.h",
-                "traceevent.h", "traceeventtype.h", "tracestashfile.h"
+                "traceevent.h", "traceeventtype.h", "tracestashfile.h",
                 "tracingtr.h",
             ]
         }