Bump MoarVM

Brings in:
MoarVM/MoarVM@2017.01-34-gab225fa9...2017.01-42-gd10ba49

d10ba49 Merge pull request #526 from zoffixznet/fix-abs-n
fd7300d Fix abs_n op for negative zeros
3cc2f1c Another heuristic to cut CTW-log junk.
64118b2 Filter out multi-cache noise in cross-thread log.
1706706 Merge pull request #516 from MoarVM/jit-data-section
ffe92b7 Add a MVM_COLLATION_QC property
2d81976 Emit data node for extop 'fake' registers
2c2374c Add data section for JIT code

Author: zoffixznet

tools/build/MOAR_REVISION

@@ -1 +1 @@
-2017.01-34-gab225fa9
+2017.01-42-gd10ba49