app,core,registry: Fix QtConcurrent dependency for qmake build

src/app/CMakeLists.txt

@@ -16,8 +16,8 @@ add_executable(App WIN32
 
 target_link_libraries(App Core Util)
 
-find_package(Qt5 COMPONENTS Concurrent Widgets REQUIRED)
-target_link_libraries(App Qt5::Concurrent Qt5::Widgets)
+find_package(Qt5 COMPONENTS Widgets REQUIRED)
+target_link_libraries(App Qt5::Widgets)
 
 set_target_properties(App PROPERTIES
     OUTPUT_NAME ${PROJECT_OUTPUT_NAME}

src/app/app.pro

@@ -2,7 +2,7 @@ include($$ZEAL_COMMON_PRI)
 
 TEMPLATE = app
 
-QT += gui widgets concurrent
+QT += gui widgets
 
 SOURCES += \
     main.cpp

src/libs/core/core.pri

@@ -1,6 +1,6 @@
 ZEAL_LIB_NAME = Core
 
-QT += network webkit widgets
+QT += concurrent network webkit widgets
 
 unix:!macx {
     CONFIG += link_pkgconfig

src/libs/registry/docsetregistry.cpp

@@ -30,7 +30,7 @@
 #include <QDir>
 #include <QThread>
 
-#include <QtConcurrent/QtConcurrent>
+#include <QtConcurrent>
 
 #include <functional>
 

src/libs/registry/registry.pri

@@ -1 +1,3 @@
 ZEAL_LIB_NAME = Registry
+
+QT += concurrent