Use the better fix for the issue with reflected calls in heap profiles
Use the better fix for the issue with reflected calls in heap profiles

This uses https://go-review.googlesource.com/#/c/33635 instead of the
previous change to fix https://github.com/google/pprof/issues/54.

google/pprof,google/pprof,rauls5382/pprof,rauls5382/pprof,google/pprof,google/pprof