MSVC projects: added missing header

w32/common/libmicrohttpd-files.vcxproj

@@ -35,6 +35,7 @@
     <ClInclude Include="$(MhdSrc)microhttpd\sha256.h" />
     <ClInclude Include="$(MhdSrc)microhttpd\memorypool.h" />
     <ClInclude Include="$(MhdSrc)microhttpd\mhd_assert.h" />
+    <ClInclude Include="$(MhdSrc)microhttpd\mhd_align.h" />
     <ClInclude Include="$(MhdSrc)microhttpd\mhd_bithelpers.h" />
     <ClInclude Include="$(MhdSrc)microhttpd\mhd_byteorder.h" />
     <ClInclude Include="$(MhdSrc)microhttpd\mhd_limits.h" />

w32/common/libmicrohttpd-filters.vcxproj

@@ -67,6 +67,9 @@
     <ClInclude Include="$(MhdSrc)microhttpd\mhd_assert.h">
       <Filter>Internal Headers</Filter>
     </ClInclude>
+    <ClInclude Include="$(MhdSrc)microhttpd\mhd_align.h">
+      <Filter>Internal Headers</Filter>
+    </ClInclude>
     <ClInclude Include="$(MhdSrc)microhttpd\mhd_limits.h">
       <Filter>Internal Headers</Filter>
     </ClInclude>