Fix static build of centralwidget example

Author: githubuser0xFFFF

examples/centralwidget/centralwidget.pro

@@ -1,26 +1,22 @@
 ADS_OUT_ROOT = $${OUT_PWD}/../..
 
-QT       += core gui
-
-greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+QT       += core gui widgets
 
 TARGET = CentralWidgetExample
 DESTDIR = $${ADS_OUT_ROOT}/lib
 TEMPLATE = app
 CONFIG += c++14
 CONFIG += debug_and_release
+adsBuildStatic {
+    DEFINES += ADS_STATIC
+}
 
 # The following define makes your compiler emit warnings if you use
 # any Qt feature that has been marked deprecated (the exact warnings
 # depend on your compiler). Please consult the documentation of the
 # deprecated API in order to know how to port your code away from it.
 DEFINES += QT_DEPRECATED_WARNINGS
 
-# You can also make your code fail to compile if it uses deprecated APIs.
-# In order to do so, uncomment the following line.
-# You can also select to disable deprecated APIs only up to a certain version of Qt.
-#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
-
 SOURCES += \
     main.cpp \
     mainwindow.cpp