Add new line in dst.hlsl and dst-error.hlsl

Author: metkarpoonam

clang/test/CodeGenHLSL/builtins/dst.hlsl

@@ -82,4 +82,4 @@ float4 testfloat4(float a, float4 b)
 half4 testRetTypeShriinking(float4 a, float4 b)
 {
     return dst(a, b);
-}
+}

clang/test/SemaHLSL/BuiltIns/dst-error.hlsl

@@ -48,4 +48,4 @@ float2 test_float2(float4 p0, float4 p1)
 {
     return dst(p0, p1);
   // expected-warning@-1 {{implicit conversion truncates vector: 'vector<float, 4>' (vector of 4 'float' values) to 'vector<float, 2>' (vector of 2 'float' values)}}
-}
+}