Fixes: RPATH for plugins

src/qworkbenchplugin.pri

@@ -40,7 +40,9 @@ macx {
         QMAKE_LFLAGS_SONAME = -Wl,-install_name,@executable_path/../PlugIns/$${PROVIDER}/
 } else:linux-* {
     #do the rpath by hand since it's not possible to use ORIGIN in QMAKE_RPATHDIR
+    QMAKE_RPATHDIR += \$\$ORIGIN
     QMAKE_RPATHDIR += \$\$ORIGIN/..
+    QMAKE_RPATHDIR += \$\$ORIGIN/../..
     IDE_PLUGIN_RPATH = $$join(QMAKE_RPATHDIR, ":")
     QMAKE_LFLAGS += -Wl,-z,origin \'-Wl,-rpath,$${IDE_PLUGIN_RPATH}\'
     QMAKE_RPATHDIR =

src/rpath.pri

@@ -5,8 +5,6 @@ macx {
     #do the rpath by hand since it's not possible to use ORIGIN in QMAKE_RPATHDIR
     QMAKE_RPATHDIR += \$\$ORIGIN/../lib/qtcreator
     IDE_PLUGIN_RPATH = $$join(QMAKE_RPATHDIR, ":")
-    message($$QMAKE_RPATHDIR)
-    message($$IDE_PLUGIN_RPATH)
  
     QMAKE_LFLAGS += -Wl,-z,origin \'-Wl,-rpath,$${IDE_PLUGIN_RPATH}\'
     QMAKE_RPATHDIR =