File fix-build-glew-egl.patch of Package rpcs3

diff --git a/rpcs3/Emu/RSX/GL/OpenGL.cpp b/rpcs3/Emu/RSX/GL/OpenGL.cpp
index 78241f557..252729104 100644
--- a/rpcs3/Emu/RSX/GL/OpenGL.cpp
+++ b/rpcs3/Emu/RSX/GL/OpenGL.cpp
@@ -1,7 +1,7 @@
 #include "stdafx.h"
 #include "OpenGL.h"
 
-#if defined(HAVE_WAYLAND)
+#if defined(HAVE_X11) || defined(HAVE_WAYLAND)
 #include <EGL/egl.h>
 #endif
 
@@ -38,9 +38,6 @@ void gl::init()
 #ifdef __unix__
 	glewExperimental = true;
 	glewInit();
-#ifdef HAVE_X11
-	glxewInit();
-#endif
 #endif
 }
 
@@ -48,23 +45,12 @@ void gl::set_swapinterval(int interval)
 {
 #ifdef _WIN32
 	wglSwapIntervalEXT(interval);
-#elif defined(HAVE_X11)
-	if (glXSwapIntervalEXT)
-	{
-		if (auto window = glXGetCurrentDrawable())
-		{
-			glXSwapIntervalEXT(glXGetCurrentDisplay(), window, interval);
-			return;
-		}
-	}
-
-#ifdef HAVE_WAYLAND
+#elif defined(HAVE_X11) || defined(HAVE_WAYLAND)
 	if (auto egl_display = eglGetCurrentDisplay(); egl_display != EGL_NO_DISPLAY)
 	{
 		eglSwapInterval(egl_display, interval);
 		return;
 	}
-#endif
 
 	//No existing drawable or missing swap extension, EGL?
 	rsx_log.error("Failed to set swap interval");