enable opengl by default on windows

Change-Id: I04cd67cce88563c0e1d82af984ccd3e6516b69cb

configure.ac

@@ -10491,7 +10491,7 @@ if test -z "$enable_opengl"; then
         # By default disable the OpenGL transitions for Windows (the code compiles but works very
         # badly and crashes). In other words, use --enable-opengl only if you plan to hack on that
         # code for Windows.
-        enable_opengl=no
+        enable_opengl=yes
     elif test $_os = iOS; then
         # As such with some suitable minor tweaks the Mac OpenGL transitions code would presumably
         # build fine for iOS, too, but let's leave that for later