[CMake] Set proper windows specific flags when needed

app/CMakeLists.txt

@@ -186,13 +186,12 @@ qt5_add_translation(QM_FILES ${TS_FILES})
 # -2- Update translations files with changes from c++ sources
 # qt5_create_translation(QM_FILES ${eiimage_SOURCES} ${TS_FILES})
 
-# Apply only on MinGW / Cygwin under Windows
-if(WIN32 AND CMAKE_COMPILER_IS_GNUCXX)
-	# Don't require libstdc++**.dll when running the program
-	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++")
+# Avoid awful console on Windows
+if(WIN32)
+	set(EXTRA_FLAGS WIN32)
 endif()
 
-add_executable(eiimage ${eiimage_SOURCES} ${WRAPPED_UIS} ${UIS} ${TS_FILES} ${RCC_FILES})
+add_executable(eiimage ${EXTRA_FLAGS} ${eiimage_SOURCES} ${WRAPPED_UIS} ${UIS} ${TS_FILES} ${RCC_FILES})
 target_link_libraries(eiimage
 	core
 	Qt5::Core