Apply clang-tidy fixes for llvm-qualified-auto in OpFormatGen.cpp (NFC)

diff --git a/mlir/tools/mlir-tblgen/OpFormatGen.cpp b/mlir/tools/mlir-tblgen/OpFormatGen.cpp
index 304af57..c8ca809 100644 (file)
--- a/mlir/tools/mlir-tblgen/OpFormatGen.cpp
+++ b/mlir/tools/mlir-tblgen/OpFormatGen.cpp
@@ -2468,7 +2468,7 @@ LogicalResult
 OpFormatParser::verifyAttributeColonType(SMLoc loc,
                                          ArrayRef<FormatElement *> elements) {
   auto isBase = [](FormatElement *el) {
-    auto attr = dyn_cast<AttributeVariable>(el);
+    auto *attr = dyn_cast<AttributeVariable>(el);
     if (!attr)
       return false;
     // Check only attributes without type builders or that are known to call