File nopgo.patch of Package firefox

--- a/gfx/thebes/moz.build	2018-11-16 12:03:36.303654518 +0100
+++ b/gfx/thebes/moz.build	2018-11-16 12:05:03.872264537 +0100
@@ -296,3 +296,4 @@
 
 if CONFIG['CC_TYPE'] == 'clang-cl':
     AllowCompilerWarnings()  # workaround for bug 1090497
+NO_PGO = True