Initialize hasQPX in PPCSubtarget

This should have gone in with r173973.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173984 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp
index d9b4e30..91beeae 100644
--- a/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -36,6 +36,7 @@
   , Use64BitRegs(false)
   , IsPPC64(is64Bit)
   , HasAltivec(false)
+  , HasQPX(false)
   , HasFSQRT(false)
   , HasSTFIWX(false)
   , HasISEL(false)