dnn: use OpenVINO 2019R2 defines

cmake/OpenCVDetectInferenceEngine.cmake

@@ -87,9 +87,9 @@ endif()
 
 if(INF_ENGINE_TARGET)
   if(NOT INF_ENGINE_RELEASE)
-    message(WARNING "InferenceEngine version have not been set, 2019R1 will be used by default. Set INF_ENGINE_RELEASE variable if you experience build errors.")
+    message(WARNING "InferenceEngine version have not been set, 2019R2 will be used by default. Set INF_ENGINE_RELEASE variable if you experience build errors.")
   endif()
-  set(INF_ENGINE_RELEASE "2019010000" CACHE STRING "Force IE version, should be in form YYYYAABBCC (e.g. 2018R2.0.2 -> 2018020002)")
+  set(INF_ENGINE_RELEASE "2019020000" CACHE STRING "Force IE version, should be in form YYYYAABBCC (e.g. 2018R2.0.2 -> 2018020002)")
   set_target_properties(${INF_ENGINE_TARGET} PROPERTIES
     INTERFACE_COMPILE_DEFINITIONS "HAVE_INF_ENGINE=1;INF_ENGINE_RELEASE=${INF_ENGINE_RELEASE}"
   )

modules/dnn/src/op_inf_engine.hpp

@@ -21,10 +21,11 @@
 
 #define INF_ENGINE_RELEASE_2018R5 2018050000
 #define INF_ENGINE_RELEASE_2019R1 2019010000
+#define INF_ENGINE_RELEASE_2019R2 2019020000
 
 #ifndef INF_ENGINE_RELEASE
-#warning("IE version have not been provided via command-line. Using 2019R1 by default")
-#define INF_ENGINE_RELEASE INF_ENGINE_RELEASE_2019R1
+#warning("IE version have not been provided via command-line. Using 2019R2 by default")
+#define INF_ENGINE_RELEASE INF_ENGINE_RELEASE_2019R2
 #endif
 
 #define INF_ENGINE_VER_MAJOR_GT(ver) (((INF_ENGINE_RELEASE) / 10000) > ((ver) / 10000))