[fuzzer] Python 3 print fixes

llvm-svn: 334902
diff --git a/compiler-rt/lib/fuzzer/scripts/merge_data_flow.py b/compiler-rt/lib/fuzzer/scripts/merge_data_flow.py
index 26c0c3b..d2f5081 100755
--- a/compiler-rt/lib/fuzzer/scripts/merge_data_flow.py
+++ b/compiler-rt/lib/fuzzer/scripts/merge_data_flow.py
@@ -30,7 +30,7 @@
     else:
       D[F] = BV;
   for F in D.keys():
-    print F, D[F]
+    print("%s %s" % (F, D[F]))
 
 if __name__ == '__main__':
   main(sys.argv)