setupapi: Avoid crash in SetupCloseInfFile.

dlls/setupapi/parser.c

@@ -1231,7 +1231,7 @@ void WINAPI SetupCloseInfFile( HINF hinf )
     struct inf_file *file = hinf;
     unsigned int i;
 
-    if (!file) return;
+    if (!hinf || (hinf == INVALID_HANDLE_VALUE)) return;
 
     for (i = 0; i < file->nb_sections; i++) HeapFree( GetProcessHeap(), 0, file->sections[i] );
     HeapFree( GetProcessHeap(), 0, file->filename );

dlls/setupapi/tests/parser.c

@@ -405,6 +405,11 @@ static void test_close_inf_file(void)
     SetLastError(0xdeadbeef);
     SetupCloseInfFile(NULL);
     ok(GetLastError() == 0xdeadbeef, "Expected 0xdeadbeef, got %u\n", GetLastError());
+
+    SetLastError(0xdeadbeef);
+    SetupCloseInfFile(INVALID_HANDLE_VALUE);
+    ok(GetLastError() == 0xdeadbeef, "Expected 0xdeadbeef, got %u\n", GetLastError());
+
 }
 
 static const char *contents = "[Version]\n"