Add /GS- to Itanium build.
diff --git a/PCbuild/_sqlite3.vcproj b/PCbuild/_sqlite3.vcproj
index e0402f9..aea3978 100644
--- a/PCbuild/_sqlite3.vcproj
+++ b/PCbuild/_sqlite3.vcproj
@@ -131,7 +131,7 @@
 			ATLMinimizesCRunTimeLibraryUsage="FALSE">
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions=" /USECL:MS_ITANIUM"
+				AdditionalOptions=" /USECL:MS_ITANIUM /GS-"
 				Optimization="2"
 				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories="..\Include;..\PC;..\..\sqlite-source-3.3.4"