Fix funciton->function typo.

llvm-svn: 255840
diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h
index 7e7ba74..57d5c80 100644
--- a/clang/lib/CodeGen/CGDebugInfo.h
+++ b/clang/lib/CodeGen/CGDebugInfo.h
@@ -574,7 +574,7 @@
   /// passing an empty SourceLocation to \a CGDebugInfo::setLocation()
   /// will result in the last valid location being reused.  Note that
   /// all instructions that do not have a location at the beginning of
-  /// a function are counted towards to funciton prologue.
+  /// a function are counted towards to function prologue.
   static ApplyDebugLocation CreateEmpty(CodeGenFunction &CGF) {
     return ApplyDebugLocation(CGF, true, SourceLocation());
   }