[mach-o] fix uninitialized variable
llvm-svn: 194290
diff --git a/lld/lib/ReaderWriter/MachO/MachOLinkingContext.cpp b/lld/lib/ReaderWriter/MachO/MachOLinkingContext.cpp
index 005c8f7..4f5a9be 100644
--- a/lld/lib/ReaderWriter/MachO/MachOLinkingContext.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachOLinkingContext.cpp
@@ -115,6 +115,7 @@
: _outputFileType(MH_EXECUTE), _outputFileTypeStatic(false),
_doNothing(false), _arch(arch_unknown), _os(OS::macOSX), _osMinVersion(0),
_pageZeroSize(unspecifiedPageZeroSize),
+ _pageSize(4096),
_compatibilityVersion(0), _currentVersion(0),
_deadStrippableDylib(false), _kindHandler(nullptr) {}