external/libtimetravel: Bump to fix resume()'s GDB compatibility

solb · solb · commit 4c3caedbf621 · 2019-12-27T15:53:05.000-05:00
diff --git a/external/libtimetravel b/external/libtimetravel
@@ -1 +1 @@
-Subproject commit 090a59a20ceb8453ecbea38036b8f25e31c5539a
+Subproject commit 837cb4172e93c1dee9bf74dfc4755bc23654532f
