[ELF] Fix a common-page-size typo

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@371716 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/ELF/Driver.cpp b/ELF/Driver.cpp
index 5022c81..0bc40f0 100644
--- a/ELF/Driver.cpp
+++ b/ELF/Driver.cpp
@@ -387,7 +387,7 @@
          s == "norelro" || s == "noseparate-code" || s == "notext" ||
          s == "now" || s == "origin" || s == "relro" || s == "retpolineplt" ||
          s == "rodynamic" || s == "text" || s == "undefs" || s == "wxneeded" ||
-         s.startswith("common-page-size") || s.startswith("max-page-size=") ||
+         s.startswith("common-page-size=") || s.startswith("max-page-size=") ||
          s.startswith("stack-size=");
 }