[llvm-ar] Make PositionalArgs static.

llvm-svn: 332216
GitOrigin-RevId: 73cf805ffdc53c384c742f05fb777e9b8a90131c
diff --git a/tools/llvm-ar/llvm-ar.cpp b/tools/llvm-ar/llvm-ar.cpp
index 5cc8c47..c856499 100644
--- a/tools/llvm-ar/llvm-ar.cpp
+++ b/tools/llvm-ar/llvm-ar.cpp
@@ -142,7 +142,7 @@
   });
 }
 
-SmallVector<const char *, 256> PositionalArgs;
+static SmallVector<const char *, 256> PositionalArgs;
 
 static bool MRI;