build(UWP): add diffie-helman files to project

- Updates the vs2015 project files
- Adds ciso646 header to diffie-hellman.cpp for logical operator
  compatibility with the Microsoft compiler

Change-Id: Ie858e054bf26cf839bef6eace79fa546894a7963
Reviewed-by: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>

MSVC/ring-daemon.vcxproj

@@ -644,6 +644,7 @@
     <ClInclude Include="..\src\ring_types.h" />
     <ClInclude Include="..\src\rw_mutex.h" />
     <ClInclude Include="..\src\security\certstore.h" />
+    <ClInclude Include="..\src\security\diffie-hellman.h" />
     <ClInclude Include="..\src\security\memory.h" />
     <ClInclude Include="..\src\security\tlsvalidator.h" />
     <ClInclude Include="..\src\security\tls_session.h" />
@@ -758,6 +759,7 @@
     <ClCompile Include="..\src\ringdht\sips_transport_ice.cpp" />
     <ClCompile Include="..\src\ring_api.cpp" />
     <ClCompile Include="..\src\security\certstore.cpp" />
+    <ClCompile Include="..\src\security\diffie-hellman.cpp" />
     <ClCompile Include="..\src\security\memory.cpp" />
     <ClCompile Include="..\src\security\tlsvalidator.cpp" />
     <ClCompile Include="..\src\security\tls_session.cpp" />

MSVC/ring-daemon.vcxproj.filters

@@ -499,6 +499,9 @@
     <ClInclude Include="..\src\ringdht\eth\libdevcore\Address.h">
       <Filter>Header Files\ringdht\eth\libdevcore</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\security\diffie-hellman.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\src\preferences.cpp">
@@ -801,5 +804,8 @@
     <ClCompile Include="..\src\ringdht\eth\libdevcore\SHA3.cpp">
       <Filter>Source Files\ringdht\eth\libdevcore</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\security\diffie-hellman.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file

src/security/diffie-hellman.cpp

@@ -22,6 +22,7 @@
 #include "logger.h"
 
 #include <chrono>
+#include <ciso646>
 
 namespace ring { namespace tls {