[ASTImporter] Corrected type of integer constant in a test.

llvm-svn: 360156
diff --git a/clang/unittests/AST/ASTImporterTest.cpp b/clang/unittests/AST/ASTImporterTest.cpp
index 952e6f9..bd5babf 100644
--- a/clang/unittests/AST/ASTImporterTest.cpp
+++ b/clang/unittests/AST/ASTImporterTest.cpp
@@ -5094,11 +5094,11 @@
   Decl *FromTU = getTuDecl(Code, Lang_CXX);
   auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU,
       functionDecl(hasName("f"), isExplicitTemplateSpecialization()));
-  ASSERT_EQ(FromD->getNumTemplateParameterLists(), 1);
+  ASSERT_EQ(FromD->getNumTemplateParameterLists(), 1u);
 
   auto *ToD = Import(FromD, Lang_CXX);
   // The template parameter list should exist.
-  EXPECT_EQ(ToD->getNumTemplateParameterLists(), 1);
+  EXPECT_EQ(ToD->getNumTemplateParameterLists(), 1u);
 }
 
 struct ASTImporterLookupTableTest : ASTImporterOptionSpecificTestBase {};