new line at end of file

Author: tgymnich

llvm/unittests/CodeGen/GlobalISel/KnownFPClassTest.cpp

@@ -1059,4 +1059,4 @@ TEST_F(AArch64GISelMITest, TestFPClassVecInsertElem) {
 
   EXPECT_EQ(fcPosFinite, Known.KnownFPClasses);
   EXPECT_EQ(false, Known.SignBit);
-}
+}