HLSL Tests: Fix two tests to be valid under FXC.

Test/hlsl.struct.split.nested.geom

 
 struct STRUCT_WITH_NO_BUILTIN_INTERSTAGE_IO
 {
-    float m0_array[2];
-    int   m1;
+    float m0_array[2] : mysemA;
+    int   m1 : mysemB;
 };
 
 struct PS_IN 
@@ -26,6 +26,9 @@ void main(triangle PS_IN tin[3], inout TriangleStream <GS_OUT> ts )
 
     o.psIn.pos = float4(1,2,3,4);
     o.psIn.tc  = float2(5,6);
+    o.contains_no_builtin_io.m0_array[0] = 2.3;
+    o.contains_no_builtin_io.m0_array[1] = 2.3;
+    o.contains_no_builtin_io.m1 = 2;
 
     ts.Append(o);
 }

Test/hlsl.structin.vert

 struct VI {
-    float4 m[2];
-    uint2 coord;
-    linear float4 b;
+    float4 m[2] : mysemA;
+    float4 coord : SV_POSITION;
+    linear float4 b : mysemB;
 };
 
-VI main(float4 d, VI vi, float4 e) : SV_POSITION
+VI main(float4 d : mysem, VI vi, float4 e : mysem)
 {
     VI local;
 
-    local.b = vi.m[1] + vi.m[0] + float4(vi.coord.x) + d + e;
+    local.b = vi.m[1] + vi.m[0] + (float4)vi.coord.x + d + e;
+    local.coord = (float4)1;
+    local.m[0] = (float4)2;
+    local.m[1] = (float4)3;
 
     return local;
 }