[Makefile] Unnecessary tabs replaced with spaces
[Makefile] Unnecessary tabs replaced with spaces

Signed-off-by: Anestis Bechtsoudis <7611fa5e9fd33f993ed88a8464a47644a6f066ca@census-labs.com>

google/honggfuzz,google/honggfuzz,google/honggfuzz,anestisb/honggfuzz