Bump NQP/Moar: Prepend support for casechanges, ignoremark
Bump NQP/Moar: Prepend support for casechanges, ignoremark

Previously Prepend codepoints in a synthetic grapheme would cause case
changes and ignoremark not to function properly. Prepend codepoints are
the reverse of normal combining characters, and come before instead of after
the base glyph.

MoarVM Changes: 2017.08.1-150-g0b81969d..2017.08.1-156-g49b90b99
49b90b99 Fix case change when base cp isn't the first cp in synthetic
db3102c4 For degenerate Synth's with Prepend and Extend set base cp to 1st cp
f8a639e2 Fix ignoremark with Prepend characters and ordbaseat op
d78c3707 ULL is the proper suffix for a 64 bit integer literal
22000677 Nativecall code : fix invalid pointer creation

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