File build-pgo.patch of Package firefox

--- a/Makefile.in	2017-09-17 18:25:38.329001932 +0200
+++ b/Makefile.in	2017-09-17 18:26:43.658643439 +0200
@@ -55,6 +55,9 @@
 endif
 endif
 
+pgo-profile-run:
+	python ${srcdir}/build/pgo/profileserver.py
+
 ifdef JS_STANDALONE
 .PHONY: CLOBBER
 CLOBBER: