minor typo fix

Author: mrash

afl-cov

@@ -830,7 +830,7 @@ def is_bin_gcov_enabled(binary, cargs):
             False, cargs, WANT_OUTPUT)[1]:
         if ' __gcov' in line:
             if cargs.validate_args or cargs.gcov_check or cargs.gcov_check_bin:
-                print "[+] Binary '%s' is compiled with code coverage support gcc." % binary
+                print "[+] Binary '%s' is compiled with code coverage support via gcc." % binary
             rv = True
             break