Update makefiles after merge of Chromium at 245864

This commit was generated by merge_from_chromium.py.

Change-Id: I774fc6b2403651a1979e20c957a0c9b0fce9d4e1
diff --git a/ots.target.linux-arm.mk b/ots.target.linux-arm.mk
index 290cd2c..439d0d1 100644
--- a/ots.target.linux-arm.mk
+++ b/ots.target.linux-arm.mk
@@ -42,6 +42,7 @@
 	third_party/ots/src/loca.cc \
 	third_party/ots/src/ltsh.cc \
 	third_party/ots/src/maxp.cc \
+	third_party/ots/src/math.cc \
 	third_party/ots/src/metrics.cc \
 	third_party/ots/src/name.cc \
 	third_party/ots/src/os2.cc \