Fix 'declartion' typos

llvm-svn: 198549
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index cc13c01..e042d54 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1479,7 +1479,7 @@
           recordDecl(hasName("X"))))))));
 }
 
-TEST(HasName, MatchesParameterVariableDeclartions) {
+TEST(HasName, MatchesParameterVariableDeclarations) {
   EXPECT_TRUE(matches("class Y {}; class X { void x(int x) {} };",
       methodDecl(hasAnyParameter(hasName("x")))));
   EXPECT_TRUE(notMatches("class Y {}; class X { void x(int) {} };",