File mingw64-sdrangel-fix-opengl-linking-issue.patch of Package mingw64-sdrangel

diff --git a/sdrgui/CMakeLists.txt b/sdrgui/CMakeLists.txt
index 4da2e43..b1ca314 100644
--- a/sdrgui/CMakeLists.txt
+++ b/sdrgui/CMakeLists.txt
@@ -183,6 +183,9 @@ include_directories(
 target_link_libraries(sdrgui
     ${QT_LIBRARIES}
     ${OPENGL_LIBRARIES}
+    EGL
+    GLESv2
+    opengl32
     sdrbase
     logging
 )