Added gcov

Author: ribu

unittest/run_all.sh

@@ -5,6 +5,7 @@ date | tee -a $OUT
 echo "" | tee -a $OUT
 ./run_normal.sh | tee -a $OUT
 ./run_sanitizer.sh | tee -a $OUT
+./run_gcov.h | tee -a $OUT
 ./run_gprof.sh | tee -a $OUT
 ./run_valgrind.sh | tee -a $OUT
 ./run_compare.sh | tee -a $OUT