Silly bug in egl.c. => Fixed in SVN

[mi]

The compiler warns about this, so I don't know, how this was allowed into a release... The fix is very simple:

--- src/VBox/Additions/common/crOpenGL/egl.c	2018-01-15 09:49:53
+++ src/VBox/Additions/common/crOpenGL/egl.c	2018-02-20 10:56:16
@@ -347,5 +347,5 @@
         for (pAttrib2 = pAttrib + 2; *pAttrib2 != EGL_NONE; pAttrib2 += 2)
             if (*pAttrib2 == *pAttrib)
-                fSkip == true;
+                fSkip = true;
         if (fSkip)
             continue;

Also, maybe, the inner loop should also break after assigning fSkip -- no obvious need for the loop to continue scanning through attributes, once it finds the first duplicate.