histogram: Add missing #include.
authorBen Pfaff <blp@cs.stanford.edu>
Tue, 27 Nov 2012 05:15:02 +0000 (21:15 -0800)
committerBen Pfaff <blp@cs.stanford.edu>
Tue, 27 Nov 2012 05:15:02 +0000 (21:15 -0800)
commitea27d9b8293639b4311fd6bd65b8a88fc335cd7b
treee0bcc808b2677ee0b1f6e63d699c130155ffb362
parent02b9b37698eb0b483fe0338f3b28d8f784a7af9a
histogram: Add missing #include.

Commit 02b9b37698eb "Disable asserts in histogram code except in
--testing-mode" added a use of settings_get_testing_mode() but didn't
include the proper header.  This fixes the problem.
src/math/histogram.c