cmake: testffmpeg requires link to EGL library for EGL feature

test/CMakeLists.txt

@@ -232,12 +232,10 @@ if(FFmpeg_FOUND AND LIBAVUTIL_AVFRAME_HAS_CH_LAYOUT)
     if(APPLE)
         target_link_options(testffmpeg PRIVATE "-Wl,-framework,CoreVideo")
     endif()
-    if(HAVE_OPENGLES_V2)
+    if(TARGET OpenGL::EGL)
         message(DEBUG "Enabling EGL support in testffmpeg")
+        target_link_libraries(testffmpeg PRIVATE OpenGL::EGL)
         target_compile_definitions(testffmpeg PRIVATE HAVE_EGL)
-        if(TARGET OpenGL::EGL)
-            target_link_libraries(testffmpeg PRIVATE OpenGL::EGL)
-        endif()
     endif()
     target_link_libraries(testffmpeg PRIVATE ${FFMPEG_LIBRARIES})
 else()