Create a header file for ECP internal functions

This header file will contain declarations of functions that are not
part of the public ABI/API, and must not be called from other modules,
but can be called from unit tests.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/visualc/VS2010/mbedTLS.vcxproj b/visualc/VS2010/mbedTLS.vcxproj
index 09c5341..0158831 100644
--- a/visualc/VS2010/mbedTLS.vcxproj
+++ b/visualc/VS2010/mbedTLS.vcxproj
@@ -251,6 +251,7 @@
     <ClInclude Include="..\..\tests\include\test\drivers\test_driver.h" />

     <ClInclude Include="..\..\library\check_crypto_config.h" />

     <ClInclude Include="..\..\library\common.h" />

+    <ClInclude Include="..\..\library\ecp_invasive.h" />

     <ClInclude Include="..\..\library\mps_common.h" />

     <ClInclude Include="..\..\library\mps_error.h" />

     <ClInclude Include="..\..\library\mps_reader.h" />